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A270757 as a simple table

n a(n)
3 9
4 16
5 41
6 127
7 456
8 1845
9 8257
10 40338
11 212983
12 1205911
13 7275802
14 46534535
15 314117861
16 2229489144
17 16584674293
18 128934314027
19 1044976711816
20 8809644039105
21 77101357474077
22 699264675713410
23 6561367477780443
24 63603478257343891
25 636087039930484642

[9,16,41,127,456,1845,8257,40338,212983,1205911,
 7275802,46534535,314117861,2229489144,16584674293,
 128934314027,1044976711816,8809644039105,
 77101357474077,699264675713410,6561367477780443,
 63603478257343891,636087039930484642]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)