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A128684 as a simple table

n a(n)
1 1
2 3
3 111
4 24753
5 1770231
6 23401797
7 39402669
8 65498547
9 298100379
10 440377293
11 1788478509
12 5218600731
13 8786795187
14 14606175981
15 24342867543
16 45340639419
17 98204136339
18 5032808252679
19 5293823142513
20 6241891310439
21 7013907181779

[1,3,111,24753,1770231,23401797,39402669,65498547,
 298100379,440377293,1788478509,5218600731,
 8786795187,14606175981,24342867543,45340639419,
 98204136339,5032808252679,5293823142513,
 6241891310439,7013907181779]

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Last modified April 24 19:39 EDT 2024. Contains 371963 sequences. (Running on oeis4.)