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A271675 as a simple table

na(n)
10
24
37
415
520
632
739
855
964
1084
1195
12119
13132
14160
15175
16207
17224
18260
19279
20319
21340
22384
23407
24455
25480
26532
27559
28615
29644
30704
31735
32799
33832
34900
35935
361007
371044
381120
391159
401239
411280
421364
431407
441495
451540
461632
471679
481775
491824
501924
511975
522079
532132
542240
552295
562407

[0,4,7,15,20,32,39,55,64,84,95,119,132,160,175,
 207,224,260,279,319,340,384,407,455,480,532,559,
 615,644,704,735,799,832,900,935,1007,1044,1120,
 1159,1239,1280,1364,1407,1495,1540,1632,1679,1775,
 1824,1924,1975,2079,2132,2240,2295,2407]