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A028148 as a simple table

na(n)
01
131
2617
310079
4147609
52022447
626547529
7338695423
84238709497
952353238223
10640806363561
117794824571807
1294411354501465
131140149916014959
1413741090450747913
15165378493289389631

[1,31,617,10079,147609,2022447,26547529,338695423,
 4238709497,52353238223,640806363561,7794824571807,
 94411354501465,1140149916014959,13741090450747913,
 165378493289389631]