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A184428 as a simple table

na(n)
12
27
313
421
531
644
758
874
992
10112
11135
12159
13185
14213
15243
16275
17309
18346
19384
20424
21466
22510
23556
24604
25654
26706
27761
28817
29875
30935
31997
321061
331127
341195
351265
361337
371411
381487
391566
401646
411728
421812
431898
441986
452076
462168
472262
482358
492456
502556
512658
522763
532869
542977
553087
563199
573313
583429
593547
603667
613789
623913
634039
644167
654297
664429
674564
684700
694838
704978
715120

[2,7,13,21,31,44,58,74,92,112,135,159,185,213,243,
 275,309,346,384,424,466,510,556,604,654,706,761,
 817,875,935,997,1061,1127,1195,1265,1337,1411,
 1487,1566,1646,1728,1812,1898,1986,2076,2168,2262,
 2358,2456,2556,2658,2763,2869,2977,3087,3199,3313,
 3429,3547,3667,3789,3913,4039,4167,4297,4429,4564,
 4700,4838,4978,5120]