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A238651 as a simple table

n a(n)
1 8
2 128
3 630
4 4742
5 30116
6 204216
7 1349732
8 9010526
9 59917746
10 399048464
11 2656049918
12 17682689820
13 117712030990
14 783626030284
15 5216639296472
16 34727628846946
17 231184402116402
18 1539013000632024
19 10245328946153388

[8,128,630,4742,30116,204216,1349732,9010526,
 59917746,399048464,2656049918,17682689820,
 117712030990,783626030284,5216639296472,
 34727628846946,231184402116402,1539013000632024,
 10245328946153388]

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Last modified December 7 16:48 EST 2021. Contains 349581 sequences. (Running on oeis4.)