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A155394 as a simple table

n a(n)
6 1
7 7
8 19
9 37
10 67
11 219
12 1086
13 6381
14 31966
15 154641
16 952314
17 7600004
18 73667522
19 781898311
20 8779500403

[1,7,19,37,67,219,1086,6381,31966,154641,952314,
 7600004,73667522,781898311,8779500403]

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Last modified December 7 10:26 EST 2022. Contains 358656 sequences. (Running on oeis4.)