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A026864 as a simple table

na(n)
41
511
679
7472
82554
913024
1063958
11306382
121443463
136725059
1431101315
15143160979
16657181579
173012930550
1813810302898
1963339713546
20290848317898
211337717758649
226164619409085
2328469921477415
24131784947615381
25611477036684719

[1,11,79,472,2554,13024,63958,306382,1443463,
 6725059,31101315,143160979,657181579,3012930550,
 13810302898,63339713546,290848317898,
 1337717758649,6164619409085,28469921477415,
 131784947615381,611477036684719]