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A004250 as a simple table

na(n)
10
20
31
42
54
67
711
817
925
1036
1150
1270
1394
14127
15168
16222
17288
18375
19480
20616
21781
22990
231243
241562
251945
262422
272996
283703
294550
305588
316826
328332
3310126
3412292
3514865
3617958
3721618
3825995
3931165
4037317
4144562

[0,0,1,2,4,7,11,17,25,36,50,70,94,127,168,222,288,
 375,480,616,781,990,1243,1562,1945,2422,2996,3703,
 4550,5588,6826,8332,10126,12292,14865,17958,21618,
 25995,31165,37317,44562]