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A242090 as a simple table

na(n)
10
20
30
41
55
68
716
821
933
1056
1165
1296
13120
14133
15161
16208
17261
18280
19341
20385
21408
22481
23533
24616
25736
26800
27833
28901
29936
301008
311281
321365
331496
341541
351776
361825
371976
382133
392241
402408
412581
422640
432945
443008
453136
463201
473605
484033
494181
504256

[0,0,0,1,5,8,16,21,33,56,65,96,120,133,161,208,
 261,280,341,385,408,481,533,616,736,800,833,901,
 936,1008,1281,1365,1496,1541,1776,1825,1976,2133,
 2241,2408,2581,2640,2945,3008,3136,3201,3605,4033,
 4181,4256]