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A120775 as a simple table

n a(n)
1 1
2 6
3 23
4 100
5 421
6 1786
7 7563
8 32040
9 135721
10 574926
11 2435423
12 10316620
13 43701901
14 185124226
15 784198803
16 3321919440
17 14071876561
18 59609425686
19 252509579303
20 1069647742900
21 4531100550901
22 19194049946506
23 81307300336923

[1,6,23,100,421,1786,7563,32040,135721,574926,
 2435423,10316620,43701901,185124226,784198803,
 3321919440,14071876561,59609425686,252509579303,
 1069647742900,4531100550901,19194049946506,
 81307300336923]

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Last modified June 7 07:58 EDT 2024. Contains 373149 sequences. (Running on oeis4.)