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A021034 as a simple table

n a(n)
0 1
1 13
2 116
3 902
4 6615
5 47271
6 333922
7 2346784
8 16455989
9 115278449
10 807210768
11 5651264346
12 39561225523
13 276935720347
14 1938571500254
15 13570064940788
16 94990648033617
17 664935116841765
18 4654547560235980

[1,13,116,902,6615,47271,333922,2346784,16455989,
 115278449,807210768,5651264346,39561225523,
 276935720347,1938571500254,13570064940788,
 94990648033617,664935116841765,4654547560235980]

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)