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A322262 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 2
7 14
8 98
9 546
10 2562
11 10626
12 41118
13 174174
14 1093092
15 10005996
16 98041944
17 889104216
18 7315812504
19 55893493656
20 421564046904
21 3519008733240
22 36011379484080
23 435775334314320
24 5538098453968080
25 68428271204813520
26 805379194188288720

[1,1,1,1,1,1,2,14,98,546,2562,10626,41118,174174,
 1093092,10005996,98041944,889104216,7315812504,
 55893493656,421564046904,3519008733240,
 36011379484080,435775334314320,5538098453968080,
 68428271204813520,805379194188288720]

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Last modified January 19 14:53 EST 2020. Contains 331049 sequences. (Running on oeis4.)