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A300027 as a simple table

n a(n)
1 8
2 34
3 19
4 220
5 1637
6 4320
7 30072
8 206967
9 903664
10 5528305
11 33865076
12 178421588
13 1041376007
14 6119845720
15 34193886672
16 197233778418
17 1141888439215
18 6502450589845
19 37394525903413
20 215421948327015
21 1234270970196951

[8,34,19,220,1637,4320,30072,206967,903664,
 5528305,33865076,178421588,1041376007,6119845720,
 34193886672,197233778418,1141888439215,
 6502450589845,37394525903413,215421948327015,
 1234270970196951]

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Last modified January 19 01:11 EST 2021. Contains 340262 sequences. (Running on oeis4.)