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A139714 as a simple table

na(n)
00
10
21
33
46
510
615
722
836
972
10165
11385
12859
131807
143614
156995
1613380
1725773
1850559
19101118
20204820
21416405
22843756
231698458
243396916
256765175
2613455325
2726789257
2853457121
29106914242
30214146295
31429124630
32859595529
331720537327
343441074654

[0,0,1,3,6,10,15,22,36,72,165,385,859,1807,3614,
 6995,13380,25773,50559,101118,204820,416405,
 843756,1698458,3396916,6765175,13455325,26789257,
 53457121,106914242,214146295,429124630,859595529,
 1720537327,3441074654]