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A017774 as a simple table

n a(n)
0 1
1 58
2 1653
3 30856
4 424270
5 4582116
6 40475358
7 300674088
8 1916797311
9 10648873950
10 52179482355
11 227692286640
12 891794789340
13 3155581562280
14 10142940735900
15 29752626158640
16 79960182801345
17 197548686920970
18 449972009097765
19 947309492837400

[1,58,1653,30856,424270,4582116,40475358,
 300674088,1916797311,10648873950,52179482355,
 227692286640,891794789340,3155581562280,
 10142940735900,29752626158640,79960182801345,
 197548686920970,449972009097765,947309492837400]

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Last modified August 26 20:09 EDT 2024. Contains 375462 sequences. (Running on oeis4.)