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A251148 as a simple table

na(n)
1853
21075
31413
41987
52925
64491
77101
811491
918917
1031587
1153389
1291275
13157789
14275843
15487717
16872259
171577901
182886539
195337725
209971363
2118803813
2235765155
2368549453
24132276107
25256749085
26500872771
27981317541
281929582211
293805684077

[853,1075,1413,1987,2925,4491,7101,11491,18917,
 31587,53389,91275,157789,275843,487717,872259,
 1577901,2886539,5337725,9971363,18803813,35765155,
 68549453,132276107,256749085,500872771,981317541,
 1929582211,3805684077]