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A305687 as a simple table

n a(n)
1 1
2 25
3 152
4 1151
5 8415
6 61796
7 453553
8 3329201
9 24436772
10 179369495
11 1316598259
12 9664023496
13 70935343213
14 520675774985
15 3821836201340
16 28052835663739
17 205911909175803
18 1511423474214692
19 11094068951867649
20 81432085718227557

[1,25,152,1151,8415,61796,453553,3329201,24436772,
 179369495,1316598259,9664023496,70935343213,
 520675774985,3821836201340,28052835663739,
 205911909175803,1511423474214692,
 11094068951867649,81432085718227557]

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Last modified May 28 22:13 EDT 2024. Contains 372921 sequences. (Running on oeis4.)