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A302525 as a simple table

na(n)
13
227
3100
4539
53683
617546
792603
8615351
93268978
1018424095
11115923699
12662227998
133859905731
1423738169083
15140046826890
16831779950595
175066753588103
1830319152922838
19181816222213079
201103244221147287

[3,27,100,539,3683,17546,92603,615351,3268978,
 18424095,115923699,662227998,3859905731,
 23738169083,140046826890,831779950595,
 5066753588103,30319152922838,181816222213079,
 1103244221147287]