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A063651 as a simple table

n a(n)
0 1
1 1
2 21
3 85
4 747
5 4375
6 31387
7 202841
8 1382259
9 9167119
10 61643709
11 411595537
12 2758179839
13 18448963469
14 123518353059
15 826573277157
16 5532716266089
17 37028886137273
18 247839719105625
19 1658772577825883
20 11102227136885119

[1,1,21,85,747,4375,31387,202841,1382259,9167119,
 61643709,411595537,2758179839,18448963469,
 123518353059,826573277157,5532716266089,
 37028886137273,247839719105625,1658772577825883,
 11102227136885119]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)