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A277413 as a simple table

n a(n)
1 1
2 3
3 70
4 4620
5 599256
6 128648520
7 41281606080
8 18507916627200
9 11049593741746560
10 8474451191616009600
11 8119493428719228192000
12 9504049395027168805824000
13 13345312208487981260926464000
14 22140681034117932250214874624000
15 42846437958647788197412779939840000
16 95657301566159892238019686222356480000
17 244038306493164073323605513327887380480000

[1,3,70,4620,599256,128648520,41281606080,
 18507916627200,11049593741746560,
 8474451191616009600,8119493428719228192000,
 9504049395027168805824000,
 13345312208487981260926464000,
 22140681034117932250214874624000,
 42846437958647788197412779939840000,
 95657301566159892238019686222356480000,
 244038306493164073323605513327887380480000]

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Last modified December 7 12:36 EST 2022. Contains 358656 sequences. (Running on oeis4.)