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A110531 as a simple table

n a(n)
0 1
1 1
2 4
3 19
4 103
5 628
6 4258
7 31753
8 257815
9 2259718
10 21230800
11 212579938
12 2257364371
13 25315773751
14 298758986356
15 3698444546248
16 47893544997832
17 647174968407262
18 9105301419381562
19 133116659482393549

[1,1,4,19,103,628,4258,31753,257815,2259718,
 21230800,212579938,2257364371,25315773751,
 298758986356,3698444546248,47893544997832,
 647174968407262,9105301419381562,
 133116659482393549]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)