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A281100 as a simple table

na(n)
01
13
26
313
427
552
6110
7215
8444
9860
101780
113452
127124
1313820
1428500
1555292
16113988
17221156
18456132
19884340
201824204
213538480
227298306
2314148431
2429185988
2556621092
26116773988
27226393780
28466982348
29905871348
301868399916
313621930932
327471626092

[1,3,6,13,27,52,110,215,444,860,1780,3452,7124,
 13820,28500,55292,113988,221156,456132,884340,
 1824204,3538480,7298306,14148431,29185988,
 56621092,116773988,226393780,466982348,905871348,
 1868399916,3621930932,7471626092]