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A013531 as a simple table

n a(n)
0 1
1 1
2 5
3 19
4 13793
5 7487
6 235549
7 4400752781
8 1455564577
9 75143281206379
10 17910727755514921
11 208450205999558953
12 8864292850179951461
13 36884532202496983982602507

[1,1,5,19,13793,7487,235549,4400752781,1455564577,
 75143281206379,17910727755514921,
 208450205999558953,8864292850179951461,
 36884532202496983982602507]

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Last modified April 19 21:11 EDT 2021. Contains 343117 sequences. (Running on oeis4.)