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A265943 as a simple table

n a(n)
1 1
2 6
3 27
4 120
5 405
6 2538
7 5103
8 108216
9 119529
10 8361630
11 649539
12 1049941764
13 6908733
14 88290340362
15 980827520535
16 11464174875312
17 731794257
18 6190869041758134
19 7360989291
20 502057591673645340
21 28738655044809032421
22 30483502110703514466
23 721764371007
24 330783478823633485162248
25 129260083701485621612025
26 894884766137985799525518

[1,6,27,120,405,2538,5103,108216,119529,8361630,
 649539,1049941764,6908733,88290340362,
 980827520535,11464174875312,731794257,
 6190869041758134,7360989291,502057591673645340,
 28738655044809032421,30483502110703514466,
 721764371007,330783478823633485162248,
 129260083701485621612025,894884766137985799525518]

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Last modified April 24 08:28 EDT 2024. Contains 371927 sequences. (Running on oeis4.)