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A250066 as a simple table

n a(n)
1 21
2 21276
3 2398187
4 81138873
5 1329866076
6 13468748489
7 96884873906
8 539919000270
9 2469626954391
10 9653001714762
11 33196888242117
12 102660657566831
13 290292185100918
14 760444039774479
15 1864760913276308
16 4316829401163980

[21,21276,2398187,81138873,1329866076,13468748489,
 96884873906,539919000270,2469626954391,
 9653001714762,33196888242117,102660657566831,
 290292185100918,760444039774479,1864760913276308,
 4316829401163980]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)