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A012240 as a simple table

n a(n)
0 1
1 10
2 232
3 10064
4 720384
5 78009600
6 11977120768
7 2480763381760
8 666957211828224
9 225809770695098368
10 93981332166180077568
11 47151835657444566499328
12 28061010401657661222289408

[1,10,232,10064,720384,78009600,11977120768,
 2480763381760,666957211828224,225809770695098368,
 93981332166180077568,47151835657444566499328,
 28061010401657661222289408]

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Last modified October 17 06:08 EDT 2019. Contains 328106 sequences. (Running on oeis4.)