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A222569 as a simple table

n a(n)
1 4
2 10
3 56
4 435
5 4790
6 50535
7 547563
8 5815939
9 63130202
10 676152734
11 7328771224
12 79083695286
13 857913193954
14 9302185273377
15 101073333908828
16 1099637763169027
17 11970412457540599
18 130557727722965457
19 1423911243991041430

[4,10,56,435,4790,50535,547563,5815939,63130202,
 676152734,7328771224,79083695286,857913193954,
 9302185273377,101073333908828,1099637763169027,
 11970412457540599,130557727722965457,
 1423911243991041430]

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Last modified June 26 15:11 EDT 2022. Contains 354884 sequences. (Running on oeis4.)