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A177336 as a simple table

na(n)
15
27
361
4271
51951
63001
76361
811491
911551
1014551
1118541
1219891
1321841
1431081
1532911
1632971
1733331
1833601
1942571
2042841
2150461
2253551
2358111
2468881
2570201
2674611
2779231
2880911
2993811
3096331
3198911
32104311
33109141
34114601
35121021
36125791

[5,7,61,271,1951,3001,6361,11491,11551,14551,
 18541,19891,21841,31081,32911,32971,33331,33601,
 42571,42841,50461,53551,58111,68881,70201,74611,
 79231,80911,93811,96331,98911,104311,109141,
 114601,121021,125791]