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A257300 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 8
5 17
6 38
7 88
8 210
9 514
10 1285
11 3270
12 8447
13 22100
14 58455
15 156077
16 420153
17 1139155
18 3108095
19 8527675
20 23514124
21 65127571
22 181111940
23 505487115
24 1415502195
25 3975790024
26 11197966459
27 31619946886
28 89496047586
29 253858251337
30 721531869889
31 2054639741185

[1,1,2,4,8,17,38,88,210,514,1285,3270,8447,22100,
 58455,156077,420153,1139155,3108095,8527675,
 23514124,65127571,181111940,505487115,1415502195,
 3975790024,11197966459,31619946886,89496047586,
 253858251337,721531869889,2054639741185]

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Last modified April 23 05:09 EDT 2024. Contains 371906 sequences. (Running on oeis4.)