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A118396 as a simple table

n a(n)
0 1
1 1
2 1
3 7
4 25
5 61
6 481
7 2731
8 10417
9 454105
10 4309921
11 23452111
12 592433161
13 6789801877
14 46254009985
15 893881991731
16 11548704851041
17 93501748795441
18 4828847934591937
19 83867376656907415
20 823025819684123641
21 33409213329178701421
22 640457721676922946721

[1,1,1,7,25,61,481,2731,10417,454105,4309921,
 23452111,592433161,6789801877,46254009985,
 893881991731,11548704851041,93501748795441,
 4828847934591937,83867376656907415,
 823025819684123641,33409213329178701421,
 640457721676922946721]

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Last modified May 8 14:56 EDT 2024. Contains 372338 sequences. (Running on oeis4.)