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A304977 as a simple table

n a(n)
0 1
1 1
2 4
3 14
4 55
5 235
6 1112
7 5672
8 30783
9 175733
10 1042812
11 6385278
12 40093375
13 257031667
14 1676581863
15 11098295287
16 74401300872
17 504290610004
18 3451219615401
19 23821766422463
20 165684694539918
21 1160267446543182
22 8175446407807625
23 57928670942338011
24 412561582740147643

[1,1,4,14,55,235,1112,5672,30783,175733,1042812,
 6385278,40093375,257031667,1676581863,11098295287,
 74401300872,504290610004,3451219615401,
 23821766422463,165684694539918,1160267446543182,
 8175446407807625,57928670942338011,
 412561582740147643]

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)