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A277968 as a simple table

na(n)
00
11
23
37
416
533
666
7125
8231
9412
10720
111227
122056
133380
145478
158745
1613792
1721483
1833114
1950510
2076344
21114356
22169920
23250503
24366666
25532975
26769758
271104847
281576640
292237331
303158208
314435502
326199479
338624820
3411946096
3516475880
3622630864
3730962990

[0,1,3,7,16,33,66,125,231,412,720,1227,2056,3380,
 5478,8745,13792,21483,33114,50510,76344,114356,
 169920,250503,366666,532975,769758,1104847,
 1576640,2237331,3158208,4435502,6199479,8624820,
 11946096,16475880,22630864,30962990]