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A261432 as a simple table

na(n)
1555
22691
39465
410017
516065
642693
764498
8108717
9164578
10194990
11204981
12222794
13488229
141696130
151705366
161824506
171838074
181981588
192079945
202125112
213823810
224112090
234292092
244956105
255354846
265848766
277462520
287597834
298394856

[555,2691,9465,10017,16065,42693,64498,108717,
 164578,194990,204981,222794,488229,1696130,
 1705366,1824506,1838074,1981588,2079945,2125112,
 3823810,4112090,4292092,4956105,5354846,5848766,
 7462520,7597834,8394856]