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A239951 as a simple table

na(n)
00
10
20
31
42
54
66
710
814
922
1030
1144
1259
1384
14109
15151
16195
17261
18335
19440
20558
21723
22909
231160
241452
251829
262272
272839
283503
294336
305326
316542
327984
339756
3411842
3514376
3617382
3720985
3825255
3930355
4036372
4143528
4251960
4361925
4473645
4587460
46103648
47122650

[0,0,0,1,2,4,6,10,14,22,30,44,59,84,109,151,195,
 261,335,440,558,723,909,1160,1452,1829,2272,2839,
 3503,4336,5326,6542,7984,9756,11842,14376,17382,
 20985,25255,30355,36372,43528,51960,61925,73645,
 87460,103648,122650]