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A020097 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 13
5 61
6 346
7 2326
8 17973
9 156849
10 1525708
11 16366685
12 191936577
13 2442829157
14 33533382056
15 493855262997
16 7766996408942
17 129920667204110
18 2303139100436493
19 43131514062719763
20 850867141055471684

[1,1,2,4,13,61,346,2326,17973,156849,1525708,
 16366685,191936577,2442829157,33533382056,
 493855262997,7766996408942,129920667204110,
 2303139100436493,43131514062719763,
 850867141055471684]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)