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A091147 as a simple table

n a(n)
0 1
1 1
2 5
3 13
4 57
5 201
6 861
7 3445
8 14897
9 63313
10 278389
11 1223069
12 5465065
13 24513945
14 111037005
15 505298565
16 2314343265
17 10645982625
18 49202944485
19 228253816365
20 1062783893145
21 4964167491945
22 23256852644925
23 109249893866133
24 514494575459217
25 2428488338526961

[1,1,5,13,57,201,861,3445,14897,63313,278389,
 1223069,5465065,24513945,111037005,505298565,
 2314343265,10645982625,49202944485,228253816365,
 1062783893145,4964167491945,23256852644925,
 109249893866133,514494575459217,2428488338526961]

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Last modified May 8 03:37 EDT 2024. Contains 372317 sequences. (Running on oeis4.)