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A271301 as a simple table

na(n)
01
15
212
317
437
528
676
745
8112
980
10153
11141
12188
13168
14277
15229
16348
17296
18409
19381
20500
21464
22569
23605
24632
25688
26765
27805
28888
29916
30977
311081
321116
331200
341201
351413
361340
371556
381433
391753
401632
411840
421837
432093
441996
452108
462293
472385
482460
492504

[1,5,12,17,37,28,76,45,112,80,153,141,188,168,277,
 229,348,296,409,381,500,464,569,605,632,688,765,
 805,888,916,977,1081,1116,1200,1201,1413,1340,
 1556,1433,1753,1632,1840,1837,2093,1996,2108,2293,
 2385,2460,2504]