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A222077 as a simple table

n a(n)
0 1
1 4
2 34
3 504
4 10572
5 285408
6 9419440
7 367571200
8 16562241744
9 846509123520
10 48401180913824
11 3061687935718272
12 212316590908782336
13 16018267935253721088
14 1306322033185206970368
15 114519518777575592865792
16 10740222055670467832259840
17 1073051903942317493993088000

[1,4,34,504,10572,285408,9419440,367571200,
 16562241744,846509123520,48401180913824,
 3061687935718272,212316590908782336,
 16018267935253721088,1306322033185206970368,
 114519518777575592865792,
 10740222055670467832259840,
 1073051903942317493993088000]

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Last modified July 14 22:52 EDT 2024. Contains 374323 sequences. (Running on oeis4.)