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A247290 as a simple table

na(n)
01
11
22
34
47
51
615
72
832
95
1069
1113
12154
1330
141
15346
1674
173
18786
19183
209
211806
22449
2328
244180
251114
2678
271
289745
292767
30219
314
3222865
336882
34611
3514
3653938
3717170
381674
3950
40127865
4142906
424569
43161
441
45304447
46107392
4712398
48506
495
50727733
51269237
5233450
531564
5420

[1,1,2,4,7,1,15,2,32,5,69,13,154,30,1,346,74,3,
 786,183,9,1806,449,28,4180,1114,78,1,9745,2767,
 219,4,22865,6882,611,14,53938,17170,1674,50,
 127865,42906,4569,161,1,304447,107392,12398,506,5,
 727733,269237,33450,1564,20]