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A167987 as a simple table

n a(n)
2 1
3 63
4 2766
5 194650
6 21086055
7 3257119761
8 679314442828
9 183842034768036
10 62630787876947325
11 26224409462275175635
12 13236607762537219815546
13 7925653200467421739217118
14 5554198822066977588903819331
15 4503367772662184077396436475525
16 4182811121982123218357983540881240

[1,63,2766,194650,21086055,3257119761,
 679314442828,183842034768036,62630787876947325,
 26224409462275175635,13236607762537219815546,
 7925653200467421739217118,
 5554198822066977588903819331,
 4503367772662184077396436475525,
 4182811121982123218357983540881240]

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)