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A246455 as a simple table

na(n)
01
13
214
375
4439
52718
617483
7115575
8779716
95342937
1037065029
11259694334
121834494025
1313048232853
1493352065596
15671245767795
164847769647701
1735145881098272
18255674861620439
191865618971630305
2013650358024120804
21100123485522075447
22736036670999528711

[1,3,14,75,439,2718,17483,115575,779716,5342937,
 37065029,259694334,1834494025,13048232853,
 93352065596,671245767795,4847769647701,
 35145881098272,255674861620439,1865618971630305,
 13650358024120804,100123485522075447,
 736036670999528711]