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A223121 as a simple table

n a(n)
1 2
2 64
3 1154
4 33604
5 622568
6 18539512
7 354680696
8 10596201904
9 206498940320
10 6177157242496
11 121870726469408
12 3647201710914880
13 72609560768633600
14 2173014662504367232
15 43562628977274881408
16 1303500230968158953728 

[2,64,1154,33604,622568,18539512,354680696,
 10596201904,206498940320,6177157242496,
 121870726469408,3647201710914880,
 72609560768633600,2173014662504367232,
 43562628977274881408,1303500230968158953728]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)