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A004101 as a simple table

na(n)
01
11
22
33
46
58
613
718
829
940
1058
1179
12115
13154
14213
15284
16391
17514
18690
19900
201197
211549
222025
232600
243377
254306
265523
277000
288922
2911235
3014196
3117777
3222336
3327825
3434720
3543037
3653446
3765942
3881423
39100033
40122991
41150481
42184149
43224449
44273614
45332291

[1,1,2,3,6,8,13,18,29,40,58,79,115,154,213,284,
 391,514,690,900,1197,1549,2025,2600,3377,4306,
 5523,7000,8922,11235,14196,17777,22336,27825,
 34720,43037,53446,65942,81423,100033,122991,
 150481,184149,224449,273614,332291]