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A257662 as a simple table

na(n)
12
22
32
447
51481
631
711
8557
9277
101847
117
123
131861
1447
151451
16557
171429
182
1918367
202069
2113411
22463
2326731
247
2550119
2661
27101
28877
2929
3011261
312971
32421
33298589
3432633
3531
3655933
375521
387307
3922349
4011
41641
4213
4347881
443
452309
4651673
4794309
48186679
49136207
501301

[2,2,2,47,1481,31,11,557,277,1847,7,3,1861,47,
 1451,557,1429,2,18367,2069,13411,463,26731,7,
 50119,61,101,877,29,11261,2971,421,298589,32633,
 31,55933,5521,7307,22349,11,641,13,47881,3,2309,
 51673,94309,186679,136207,1301]