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A064055 as a simple table

na(n)
03
131
2155
3546
41554
53823
68451
717205
832802
959268
10102388
11170261
12273975
13428418
14653242
15973998
161423461
172043165
182885169
194014076
205509328
217467801
2210006725
2313266955
2417416620
2522655178
2629217906

[3,31,155,546,1554,3823,8451,17205,32802,59268,
 102388,170261,273975,428418,653242,973998,1423461,
 2043165,2885169,4014076,5509328,7467801,10006725,
 13266955,17416620,22655178,29217906]