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A074329 as a simple table

na(n)
10
20
31
42
56
614
724
832
942
1089
11138
12187
13287
14591
15693
161054
171416
182151
194364
206600
218842
2213354
2317879
2422418
2524697
2640653
2745227
2849811
2975040
30100357
31151121
32202000
33252981
34304025
35457506
36508744
37611307
38662636
39996722
401331409

[0,0,1,2,6,14,24,32,42,89,138,187,287,591,693,
 1054,1416,2151,4364,6600,8842,13354,17879,22418,
 24697,40653,45227,49811,75040,100357,151121,
 202000,252981,304025,457506,508744,611307,662636,
 996722,1331409]