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A100451 as a simple table

na(n)
10
20
37
414
521
632
745
860
977
1096
11117
12140
13165
14192
15221
16252
17285
18320
19357
20396
21437
22480
23525
24572
25621
26672
27725
28780
29837
30896
31957
321020
331085
341152
351221
361292
371365
381440
391517
401596
411677
421760
431845
441932
452021
462112
472205
482300
492397
502496
512597
522700

[0,0,7,14,21,32,45,60,77,96,117,140,165,192,221,
 252,285,320,357,396,437,480,525,572,621,672,725,
 780,837,896,957,1020,1085,1152,1221,1292,1365,
 1440,1517,1596,1677,1760,1845,1932,2021,2112,2205,
 2300,2397,2496,2597,2700]