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A235540 as a simple table

na(n)
1243
2891
31539
42211
52511
613203
719683
887723
992583
10150851
11202851
12292923
13321651
14399771
15412623
16452051
171325843
181330551
191441091
201566891
213026871
224422231
234954851
244974971
255016191
265845851
275971239
286773139
2911050911
3011720511
3112602871
3214666751

[243,891,1539,2211,2511,13203,19683,87723,92583,
 150851,202851,292923,321651,399771,412623,452051,
 1325843,1330551,1441091,1566891,3026871,4422231,
 4954851,4974971,5016191,5845851,5971239,6773139,
 11050911,11720511,12602871,14666751]