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A081097 as a simple table

n a(n)
1 1
2 6
3 23
4 40
5 273
6 1870
7 7343
8 12816
9 87841
10 602070
11 2364359
12 4126648
13 28284465
14 193864606
15 761316191
16 1328767776
17 9107509825
18 62423800998
19 245141449079
20 427859097160
21 2932589879121
22 20100270056686
23 78934785287183

[1,6,23,40,273,1870,7343,12816,87841,602070,
 2364359,4126648,28284465,193864606,761316191,
 1328767776,9107509825,62423800998,245141449079,
 427859097160,2932589879121,20100270056686,
 78934785287183]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)