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A260504 as a simple table

n a(n)
0 0
1 1
2 2
3 7
4 20
5 91
6 362
7 2227
8 11720
9 92491
10 608222
11 5866147
12 46290620
13 527635291
14 4857587282
15 63886537267
16 672183848720
17 10019232896491
18 118594819341542
19 1975680877259587
20 25983971598078020
21 478434297205284091
22 6921555837554655002
23 139581878985127217107

[0,1,2,7,20,91,362,2227,11720,92491,608222,
 5866147,46290620,527635291,4857587282,63886537267,
 672183848720,10019232896491,118594819341542,
 1975680877259587,25983971598078020,
 478434297205284091,6921555837554655002,
 139581878985127217107]

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Last modified August 26 07:40 EDT 2024. Contains 375454 sequences. (Running on oeis4.)