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A305406 as a simple table

n a(n)
0 1
1 2
2 8
3 40
4 234
5 1544
6 11242
7 89016
8 758504
9 6900012
10 66590782
11 678322704
12 7262393832
13 81431657220
14 953339019606
15 11622207372104
16 147199295291518
17 1932876310310488
18 26265519359529974
19 368752956750812256
20 5340795881536757632
21 79691179458925839676
22 1223524383429928039306

[1,2,8,40,234,1544,11242,89016,758504,6900012,
 66590782,678322704,7262393832,81431657220,
 953339019606,11622207372104,147199295291518,
 1932876310310488,26265519359529974,
 368752956750812256,5340795881536757632,
 79691179458925839676,1223524383429928039306]

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Last modified July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)