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A105331 as a simple table

n a(n)
1 3
2 14
3 52
4 184
5 656
6 34688
7 2118656
8 134438912
9 537346048
10 9007202811510784
11 2417851639318318791262208
12 633825300114170432793740312576
13 2535301200456572518883997515776

[3,14,52,184,656,34688,2118656,134438912,
 537346048,9007202811510784,
 2417851639318318791262208,
 633825300114170432793740312576,
 2535301200456572518883997515776]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)