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A255954 as a simple table

na(n)
00
17
2127
31518
415800
5154410
61470702
713921922
8132465058
91275540777
1012482994680
11124488408308
121267192059423
1313179257452283
14140124528853582
151523425278785190
1616936782395913056
17192530701636263004
182237390160167413881
1926572938927762778750

[0,7,127,1518,15800,154410,1470702,13921922,
 132465058,1275540777,12482994680,124488408308,
 1267192059423,13179257452283,140124528853582,
 1523425278785190,16936782395913056,
 192530701636263004,2237390160167413881,
 26572938927762778750]