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A147225 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 5
6 1
7 10
8 1
9 26
10 1
11 220
12 25
13 1696
14 141
15 21805
16 844
17 438996
18 11391
19 9601298
20 152742
21 309244701
22 3160409
23 15392335628
24 110025582
25 1035900361260

[1,1,1,1,5,1,10,1,26,1,220,25,1696,141,21805,844,
 438996,11391,9601298,152742,309244701,3160409,
 15392335628,110025582,1035900361260]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)