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A254611 as a simple table

na(n)
391
41681
52911
628561
779808
8591361
92091817
1013344409
1153924597
12315169009
131380947751
147649951296
1535269184041
16188926707649
17899769503723
184718266032649
1922943942934823
20118691459382721
21584955154102592
222999832755191441
2314912246613880433
2476049269944443041
25380145205524781061

[91,1681,2911,28561,79808,591361,2091817,13344409,
 53924597,315169009,1380947751,7649951296,
 35269184041,188926707649,899769503723,
 4718266032649,22943942934823,118691459382721,
 584955154102592,2999832755191441,
 14912246613880433,76049269944443041,
 380145205524781061]