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A041026 as a simple table

n a(n)
0 4
1 17
2 140
3 577
4 4756
5 19601
6 161564
7 665857
8 5488420
9 22619537
10 186444716
11 768398401
12 6333631924
13 26102926097
14 215157040700
15 886731088897
16 7309005751876
17 30122754096401
18 248291038523084

[4,17,140,577,4756,19601,161564,665857,5488420,
 22619537,186444716,768398401,6333631924,
 26102926097,215157040700,886731088897,
 7309005751876,30122754096401,248291038523084]

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Last modified May 13 14:08 EDT 2024. Contains 372519 sequences. (Running on oeis4.)