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A000094 as a simple table

na(n)
10
20
30
40
51
62
75
88
914
1021
1132
1245
1365
1488
15121
16161
17215
18280
19367
20471
21607
22771
23980
241232
251551
261933
272410
282983
293690
304536
315574
326811
338317
3410110
3512276
3614848
3717941
3821600
3925977
4031146
4137298
4244542
4353132
4463218
4575131
4689089

[0,0,0,0,1,2,5,8,14,21,32,45,65,88,121,161,215,
 280,367,471,607,771,980,1232,1551,1933,2410,2983,
 3690,4536,5574,6811,8317,10110,12276,14848,17941,
 21600,25977,31146,37298,44542,53132,63218,75131,
 89089]