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A248836 as a simple table

n a(n)
1 2
2 6
3 22
4 96
5 482
6 2736
7 17302
8 120576
9 917762
10 7574016
11 67354582
12 642041856
13 6530291042
14 70589700096
15 808090395862
16 9766250151936
17 124258689304322
18 1660195646078976
19 23239748527125142
20 340125128186658816

[2,6,22,96,482,2736,17302,120576,917762,7574016,
 67354582,642041856,6530291042,70589700096,
 808090395862,9766250151936,124258689304322,
 1660195646078976,23239748527125142,
 340125128186658816]

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Last modified November 27 14:41 EST 2022. Contains 358405 sequences. (Running on oeis4.)