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A052226 as a simple table

na(n)
01
115
292
3372
41170
53102
67260
715444
830459
956485
1099528
11167960
12273156
13430236
14658920
15984504
161438965
172062203
182903428
194022700
205492630
217400250
229849060
2312961260
2416880175
2521772881
2627833040
2735283952
2844381832
2955419320
3068729232
3184688560
32103722729
33126310119

[1,15,92,372,1170,3102,7260,15444,30459,56485,
 99528,167960,273156,430236,658920,984504,1438965,
 2062203,2903428,4022700,5492630,7400250,9849060,
 12961260,16880175,21772881,27833040,35283952,
 44381832,55419320,68729232,84688560,103722729,
 126310119]