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A369544 as a simple table

na(n)
11
21
33
46
514
637
795
8253
9692
101918
115389
1215316
1343940
14127105
15370290
161085460
173199412
189476409
1928191145
2084195358
21252352517
22758806718
232288425896
246920189847
2520978805020
2663744392583
27194101043120
28592205499720
291810158252644
305542516035931
3116997912424298

[1,1,3,6,14,37,95,253,692,1918,5389,15316,43940,
 127105,370290,1085460,3199412,9476409,28191145,
 84195358,252352517,758806718,2288425896,
 6920189847,20978805020,63744392583,194101043120,
 592205499720,1810158252644,5542516035931,
 16997912424298]