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A294479 as a simple table

na(n)
01
13
27
311
417
524
632
741
852
963
1076
1189
12104
13120
14137
15155
16174
17194
18215
19238
20261
21286
22311
23338
24365
25394
26424
27455
28487
29520
30554
31589
32625
33662
34701
35740
36781
37822
38865
39908
40953
41998
421045
431092
441142
451191
461243
471294
481348
491401
501457
511512

[1,3,7,11,17,24,32,41,52,63,76,89,104,120,137,155,
 174,194,215,238,261,286,311,338,365,394,424,455,
 487,520,554,589,625,662,701,740,781,822,865,908,
 953,998,1045,1092,1142,1191,1243,1294,1348,1401,
 1457,1512]