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A261031 as a simple table

n a(n)
0 1
1 1
2 4
3 8
4 21
5 44
6 103
7 217
8 477
9 999
10 2116
11 4373
12 9055
13 18464
14 37576
15 75725
16 152047
17 303158
18 602085
19 1189242
20 2340065
21 4584027
22 8947865
23 17399906
24 33725509
25 65153150
26 125493914
27 241011287
28 461611911
29 881806114
30 1680336592
31 3194346093
32 6058770147
33 11466709780

[1,1,4,8,21,44,103,217,477,999,2116,4373,9055,
 18464,37576,75725,152047,303158,602085,1189242,
 2340065,4584027,8947865,17399906,33725509,
 65153150,125493914,241011287,461611911,881806114,
 1680336592,3194346093,6058770147,11466709780]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)