A062412 - OEIS

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A062412 as a simple table

n	a(n)
1	2
2	10
3	109
4	1923
5	113258
6	4103972
7	315764017
8	15871339589
9	1481092410586
10	327513561563174
11	26675659416361181
12	5516357252651388375
13	864424420824670346866
14	86799914926048613598024

[2,10,109,1923,113258,4103972,315764017, 15871339589,1481092410586,327513561563174, 26675659416361181,5516357252651388375, 864424420824670346866,86799914926048613598024]