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A296771 as a simple table

n a(n)
0 1
1 3
2 13
3 58
4 257
5 1126
6 4882
7 20980
8 89497
9 379438
10 1600406
11 6720748
12 28117498
13 117254268
14 487589572
15 2022568168
16 8371423177
17 34581780478
18 142605399982
19 587138954428
20 2413944555742
21 9911778919348
22 40650232625212
23 166534680737368
24 681576405563722

[1,3,13,58,257,1126,4882,20980,89497,379438,
 1600406,6720748,28117498,117254268,487589572,
 2022568168,8371423177,34581780478,142605399982,
 587138954428,2413944555742,9911778919348,
 40650232625212,166534680737368,681576405563722]

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Last modified September 23 01:32 EDT 2020. Contains 337291 sequences. (Running on oeis4.)