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A249286 as a simple table

na(n)
1524
22228
39504
440588
5173368
6740616
73164312
813520668
957772560
10246857788
111054810472
124507167504
1319258980852
1482293014888
15351635522044
161502528043892
176420257600360
1827433569837528
19117222829267252

[524,2228,9504,40588,173368,740616,3164312,
 13520668,57772560,246857788,1054810472,4507167504,
 19258980852,82293014888,351635522044,
 1502528043892,6420257600360,27433569837528,
 117222829267252]