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A274644 as a simple table

n a(n)
1 1
2 6
3 71
4 1266
5 30206
6 902796
7 32420011
8 1359292626
9 65164480466
10 3515569641156
11 210779736073446
12 13903319821066836
13 1000559812125494076
14 78012524487061315416
15 6550837823204594551731
16 589404446176366002280146
17 56568586570039148217467786
18 5768723174387469795772704276
19 622900652040379217092492454866

[1,6,71,1266,30206,902796,32420011,1359292626,
 65164480466,3515569641156,210779736073446,
 13903319821066836,1000559812125494076,
 78012524487061315416,6550837823204594551731,
 589404446176366002280146,
 56568586570039148217467786,
 5768723174387469795772704276,
 622900652040379217092492454866]

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Last modified April 24 05:33 EDT 2024. Contains 371918 sequences. (Running on oeis4.)