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A057452 as a simple table

na(n)
18
219
367
4331
52221
619577
7219613
83042161
950728129
10997525853
1122742734291
12592821132889
1317461204521323
14575411103069067
1521034688742654437
16846729487306354343

[8,19,67,331,2221,19577,219613,3042161,50728129,
 997525853,22742734291,592821132889,17461204521323,
 575411103069067,21034688742654437,
 846729487306354343]