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A215986 as a simple table

na(n)
61
71
83
96
1013
1126
1256
13114
14244
15524
161152
172578
185902
1913750
2032637
2178745
22192755
23478071
241199357
253039832
267774296
2720043911
2852049890
29136041966
30357650346
31945253939
322510351950
336696412901
3417935526721
3548218592753
36130083292745
37352068892155

[1,1,3,6,13,26,56,114,244,524,1152,2578,5902,
 13750,32637,78745,192755,478071,1199357,3039832,
 7774296,20043911,52049890,136041966,357650346,
 945253939,2510351950,6696412901,17935526721,
 48218592753,130083292745,352068892155]