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A254869 as a simple table

na(n)
11
215
3111
4561
52211
67293
721021
854483
9129558
10286858
11598026
121184118
132242266
144083366
157184166
1612257850
1720348031
1832951985
1952179985
2080958735
21123288165
22184562235
23271965915
24394962165
25565884540
26800652996
271119632580
281548656956

[1,15,111,561,2211,7293,21021,54483,129558,286858,
 598026,1184118,2242266,4083366,7184166,12257850,
 20348031,32951985,52179985,80958735,123288165,
 184562235,271965915,394962165,565884540,800652996,
 1119632580,1548656956]