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A042449 as a simple table

na(n)
01
12
25
37
419
526
671
7168
89143
918454
1046051
1164505
12175061
13239566
14654193
151547952
1684243601
17170035154
18424313909
19594349063
201613012035
212207361098
226027734231
2314262829560
24776220530471
251566703890502
263909628311475
275476332201977
2814862292715429

[1,2,5,7,19,26,71,168,9143,18454,46051,64505,
 175061,239566,654193,1547952,84243601,170035154,
 424313909,594349063,1613012035,2207361098,
 6027734231,14262829560,776220530471,1566703890502,
 3909628311475,5476332201977,14862292715429]