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A271441 as a simple table

na(n)
12
23
34
47
58
611
712
816
919
1020
1128
1240
1348
1452
15100
16108
17112
18124
19125
20133
21258
22259
23260
24308
25336
26348
27349
28350
29362
30363
31391
32651
331042
341043
351044
361406
371407
381408
391436
401437
411438
421439
431440
441448
451449
461709
471710
481835
491836
501948

[2,3,4,7,8,11,12,16,19,20,28,40,48,52,100,108,112,
 124,125,133,258,259,260,308,336,348,349,350,362,
 363,391,651,1042,1043,1044,1406,1407,1408,1436,
 1437,1438,1439,1440,1448,1449,1709,1710,1835,1836,
 1948]