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A180167 as a simple table

n a(n)
0 1
1 7
2 48
3 330
4 2268
5 15588
6 107136
7 736344
8 5060880
9 34783344
10 239065344
11 1643092128
12 11292944832
13 77616221760
14 533454999552
15 3666427327872
16 25199293964544
17 173194327754496
18 1190361730314240
19 8181336348412416
20 56230188472359936
21 386469148924634112

[1,7,48,330,2268,15588,107136,736344,5060880,
 34783344,239065344,1643092128,11292944832,
 77616221760,533454999552,3666427327872,
 25199293964544,173194327754496,1190361730314240,
 8181336348412416,56230188472359936,
 386469148924634112]

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)