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A224219 as a simple table

n a(n)
1 1
2 1
3 4
4 5
5 31
6 82
7 344
8 1661
9 7942
10 38721
11 228680
12 1377026
13 8529756
14 56756260
15 402300799
16 2960135917
17 22692746719
18 181667760724
19 1516381486766
20 13135566948285
21 117868982320877
22 1093961278908818
23 10492653292100919
24 103880022098900234
25 1059925027073166856

[1,1,4,5,31,82,344,1661,7942,38721,228680,1377026,
 8529756,56756260,402300799,2960135917,22692746719,
 181667760724,1516381486766,13135566948285,
 117868982320877,1093961278908818,
 10492653292100919,103880022098900234,
 1059925027073166856]

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