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A042809 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 7
5 19
6 26
7 45
8 2726
9 2771
10 5497
11 13765
12 19262
13 52289
14 71551
15 123840
16 7501951
17 7625791
18 15127742
19 37881275
20 53009017
21 143899309
22 196908326
23 340807635
24 20645366426
25 20986174061
26 41631540487
27 104249255035
28 145880795522
29 396010846079

[1,1,2,5,7,19,26,45,2726,2771,5497,13765,19262,
 52289,71551,123840,7501951,7625791,15127742,
 37881275,53009017,143899309,196908326,340807635,
 20645366426,20986174061,41631540487,104249255035,
 145880795522,396010846079]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)