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A250701 as a simple table

na(n)
1654
24958
330719
4160486
5735523
63020711
711354082
839603227
9129764854
10403049071
111195876182
123410274979
139395374116
1425113321720
1565362902075
16166156830176
17413619900804
181010542241094
192427848472870
205745600307078

[654,4958,30719,160486,735523,3020711,11354082,
 39603227,129764854,403049071,1195876182,
 3410274979,9395374116,25113321720,65362902075,
 166156830176,413619900804,1010542241094,
 2427848472870,5745600307078]