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A369161 as a simple table

n a(n)
0 1
1 3
2 15
3 91
4 613
5 4410
6 33190
7 258129
8 2058281
9 16737259
10 138268611
11 1157197639
12 9790774861
13 83606543660
14 719638883748
15 6237175439640
16 54386540912490
17 476782443732437
18 4199713449255749
19 37151346765537606
20 329914740292813170
21 2939975733035070000

[1,3,15,91,613,4410,33190,258129,2058281,16737259,
 138268611,1157197639,9790774861,83606543660,
 719638883748,6237175439640,54386540912490,
 476782443732437,4199713449255749,
 37151346765537606,329914740292813170,
 2939975733035070000]

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Last modified June 17 10:05 EDT 2024. Contains 373445 sequences. (Running on oeis4.)