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A146653 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 7
7 19
8 43
9 173
10 1027
11 6241
12 39873
13 317065
14 3440337
15 46130903
16 694355761
17 12449375951
18 281232131103
19 7909400224367
20 265990951612641 

[1,1,1,1,3,7,19,43,173,1027,6241,39873,317065,
 3440337,46130903,694355761,12449375951,
 281232131103,7909400224367,265990951612641]

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Last modified August 26 06:07 EDT 2024. Contains 375454 sequences. (Running on oeis4.)