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A259276 as a simple table

n a(n)
0 1
1 6
2 30
3 186
4 1110
5 6630
6 39846
7 239010
8 1433910
9 8603790
10 51622446
11 309733890
12 1858404990
13 11150428470
14 66902565630
15 401415404586
16 2408492418870
17 14450954480790
18 86705726950470
19 520234361647890
20 3121406169699270
21 18728437018590366
22 112370622111206670
23 674223732666113010

[1,6,30,186,1110,6630,39846,239010,1433910,
 8603790,51622446,309733890,1858404990,11150428470,
 66902565630,401415404586,2408492418870,
 14450954480790,86705726950470,520234361647890,
 3121406169699270,18728437018590366,
 112370622111206670,674223732666113010]

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Last modified April 19 23:40 EDT 2024. Contains 371798 sequences. (Running on oeis4.)