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A264356 as a simple table

na(n)
41
518
6197
71844
816457
9143975
101249642
1110815498
1293576157
13810347897
147027967095
1561060521549
16531506499178
174635288747540
1840499108355263
19354472925956809
203107795826264979
2127290688756270363
22240010330685355235
232113784811395623970
2418641067229072645836

[1,18,197,1844,16457,143975,1249642,10815498,
 93576157,810347897,7027967095,61060521549,
 531506499178,4635288747540,40499108355263,
 354472925956809,3107795826264979,
 27290688756270363,240010330685355235,
 2113784811395623970,18641067229072645836]