递推数列必做题
一、单项选择题
2,4,6,9,13,19,( )。
A.28
B.29
C.30
D.31
12,-4,8,-32,-24, 768, ( )。
A.432
B.516
C.744
D.-1268
1, 2, 3, 6, 12, 24, ( )
A.48
B.45
C.36
D.32
1, 9, 7, 4, 8, 5, ( ), 11
A.3
B.4
C.5
D.6
0, 2, 2, 4, 6, ( )。
A.4
B.6
C.8
D.10
53, 61, 68, 82, ( ), 103, 107
A.89
B.92
C.94
D.88
11, 12, 16, 39, 67, 122, ( )
A.228
B.230
C.336
D.340
52, 32, 20, 12, 8, ( )。
6, 11, 17, ( ), 45
A.30
B.28
C.25
D.22
1, 2, 8, 28, 100, ( )
A.196
B.248
C.324
D.356
22, 36, 40, 56, 68, ( )。
A.84
B.86
C.90
D.92
1, 6, 20, 56, 144, ( )
A.384
B.352
C.312
D.256
2, 3, 7, 25, 121, ( )
A.545
B.619
C.721
D.825
2, 2, 3, 4, 9, 32, ( )
A.129
B.215
C.257
D.283
2, 3, 4, 9, 32, ( )。
A.47
B.83
C.128
D.279
2, 4, 3, 7, 16, 107, ( )。
A.1594
B.1684
C.1707
D.1856
-2, -1, 2, -2, ( ), 8
A.1
B.-1
C.4
D.-4
2.5, 2, 3, 4, 10, 38, ( )。
A.92
B.134
C.256
D.378
0.25, 0.5, 2, ( ), 2, 0.5
C.0.25
D.0.125
6, 3, 5, 13, 2, 63, ( )。
A.-36
B.-37
C.-38
D.-39
2, 1, 4, 6, 26, 158, ( )
A.5124
B.5004
C.4110
D.3676
3, 4, 6, 12, 36, ( )
A.72
B.108
C.216
D.288
7, 15, 29, 59, 117, ( )
A.227
B.235
C.241
D.243
2, 5, 14, 29, 86, ( )
A.159
B.162
C.169
D.173
1, 4, 11, 30, 85, ( )。
A.248
B.250
D.260
56, 114, 230, 462, ( )。
A.916
B.918
C.924
D.926
2, 5, 9, 19, 37, 75, ( )
A.140
B.142
C.146
D.149
2, 4, 4, 8, 16, ( )
B.64
4, 6, 10, 14, 22, ( )。
A.24
B.26
C.32
D.38
2, 3, 7, ( ), 121, 721
A.11
B.17
C.19
D.25
3, 8, 23, 68, ( ), 608。
A.183
B.188
C.203
D.208
3, 10, 31, 94, ( ), 850。
A.250
B.270
C.282
4, 11, 27, 61, ( )
A.106
B.117
C.131
D.163
204, 180, 12, 84, -36, ( )
A.60
B.24
C.10
D.8
5, 6, 16, 28, 60, ( )。
B.84
C.92
D.116
1, 2, 6, 4, 8, ( )。
A.8
B.126
C.16
3, 5, 5, 6, 6.5, ( )。
A.6.25
B.6,5
C.7.25
D.7.5
1, 1, 6, 21, 81, 306, ( )。
A.1017
B.1161
C.1285
D.1527
1, 3, 6, 9, 9, ( )。
A.0
C.9
D.18
3, 7, 12, 15, 9, -18, ( )
A.-27
B.-45
C.-81
D.-102
143, 59, 25, 9, 7, ( )。
A.-2
B.-3
C.-4
D.-5
1, 2, 7, 23, 76, ( )。
A.206
B.218
C.239
D.251
1, 3, 4, 1, 9, ( )
A.5
B.11
C.14
D.64
-1, 0, 1, 1, 4, ( )。
D.36
2, 3, 7, 16, 65, 321, ( )
A.4542
B.4544
C.4546
D.4548
2, 3, 7, 45, 2017, ( )
A.4068271
B.4068273
C.4068275
D.4068277
-30, -4, ( ), 24, 122, 340
A.-1
B.-2
C.6
D.13
3, -2, 1, 3, 8, 61, ( )
A.3692
B.3713
C.3764
D.3816
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