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A280809 as a simple table

n a(n)
1 0
2 1047
3 24490
4 133067
5 521862
6 1736603
7 5219491
8 14672850
9 39446188
10 102668319
11 261032587
12 651872767
13 1605291205
14 3909190755
15 9432062891
16 22579858190
17 53688882185
18 126896063565
19 298328702932
20 698005209403
21 1626059718118

[0,1047,24490,133067,521862,1736603,5219491,
 14672850,39446188,102668319,261032587,651872767,
 1605291205,3909190755,9432062891,22579858190,
 53688882185,126896063565,298328702932,
 698005209403,1626059718118]

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)