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A203042 as a simple table

na(n)
1637
22509
310195
441617
5167293
6672157
72708439
810930987
944061099
10177493297
11715170445
122882822977
1311620082377
1446830234183
15188721650479
16760586387715
173065439683491
1812354624954343
1949791490122951
20200669308425987

[637,2509,10195,41617,167293,672157,2708439,
 10930987,44061099,177493297,715170445,2882822977,
 11620082377,46830234183,188721650479,760586387715,
 3065439683491,12354624954343,49791490122951,
 200669308425987]