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A121678 as a simple table

n a(n)
0 1
1 2
2 9
3 52
4 425
5 4236
6 49294
7 655096
8 9731313
9 159114880
10 2832245911
11 54400757016
12 1119436524947
13 24532373640334
14 569732648555295
15 13962373137304496
16 359767723241891425
17 9715902692094061488

[1,2,9,52,425,4236,49294,655096,9731313,159114880,
 2832245911,54400757016,1119436524947,
 24532373640334,569732648555295,13962373137304496,
 359767723241891425,9715902692094061488]

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Last modified May 18 16:58 EDT 2024. Contains 372664 sequences. (Running on oeis4.)