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A007383 as a simple table

na(n)
10
20
31
40
53
61
76
84
911
1010
1120
1221
1336
1441
1564
1677
17113
18141
19199
20254
21350
22453
23615
24803
251080
261418
271896
282498
293328
304394
315841
327722
3310251
3413563
3517990
3623814
3731571
3841804
3955404
4073375
4197228
42128779
43170624
44226007
45299425

[0,0,1,0,3,1,6,4,11,10,20,21,36,41,64,77,113,141,
 199,254,350,453,615,803,1080,1418,1896,2498,3328,
 4394,5841,7722,10251,13563,17990,23814,31571,
 41804,55404,73375,97228,128779,170624,226007,
 299425]