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A027850 as a simple table

na(n)
01
168
2531
32056
45645
512636
624703
743856
872441
9113140
10168971
11243288
12339781
13462476
14615735
15804256
161033073
171307556
181633411
192016680
202463741
212981308
223576431
234256496
245029225
255902676

[1,68,531,2056,5645,12636,24703,43856,72441,
 113140,168971,243288,339781,462476,615735,804256,
 1033073,1307556,1633411,2016680,2463741,2981308,
 3576431,4256496,5029225,5902676]