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A196136 as a simple table

n a(n)
1 1
2 19
3 70
4 251
5 1350
6 3716
7 20706
8 63545
9 255501
10 992477
11 3693353
12 15143098
13 54682695
14 222402469
15 838015799
16 3238327921
17 12552211666
18 47967154876
19 187109798637
20 714494895572
21 2773237529931
22 10674786749417
23 41144890359713

[1,19,70,251,1350,3716,20706,63545,255501,992477,
 3693353,15143098,54682695,222402469,838015799,
 3238327921,12552211666,47967154876,187109798637,
 714494895572,2773237529931,10674786749417,
 41144890359713]

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Last modified April 17 20:17 EDT 2024. Contains 371767 sequences. (Running on oeis4.)