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A252825 as a simple table

na(n)
115
2142
31238
49075
554376
6271846
71165921
84396009
914863460
1045791493
11130210765
12345350438
13861722537
142037396931
154591832266
169915068062
1720600380173
1841336047432
1980360448168
20151781791285
21279198974102

[15,142,1238,9075,54376,271846,1165921,4396009,
 14863460,45791493,130210765,345350438,861722537,
 2037396931,4591832266,9915068062,20600380173,
 41336047432,80360448168,151781791285,279198974102]