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A264317 as a simple table

na(n)
11
2240
37821
4167348
53932500
6101336088
72478206839
860633004449
91472189831063
1035661243626845
11861096242861615
1220785591437600100
13501371485057544972
1412087053521090888958
15291265869175775603257

[1,240,7821,167348,3932500,101336088,2478206839,
 60633004449,1472189831063,35661243626845,
 861096242861615,20785591437600100,
 501371485057544972,12087053521090888958,
 291265869175775603257]