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A027397 as a simple table

n a(n)
0 1
1 10
2 145
3 2590
4 53935
5 1270798
6 33213955
7 949441810
8 29371429345
9 975236890330
10 34526021240809
11 1296190060488190
12 51368290426260655
13 2140624557899891710
14 93487359214816335115
15 4266459267720049656562

[1,10,145,2590,53935,1270798,33213955,949441810,
 29371429345,975236890330,34526021240809,
 1296190060488190,51368290426260655,
 2140624557899891710,93487359214816335115,
 4266459267720049656562]

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Last modified September 7 13:22 EDT 2024. Contains 375730 sequences. (Running on oeis4.)