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A146618 as a simple table

n a(n)
1 1
2 1
3 1
4 13
5 73
6 385
7 4155
8 53517
9 1280671
10 42489917
11 1853052759
12 122748998951
13 11481223465221 

[1,1,1,13,73,385,4155,53517,1280671,42489917,
 1853052759,122748998951,11481223465221]

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Last modified June 4 15:08 EDT 2024. Contains 373099 sequences. (Running on oeis4.)