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A264652 as a simple table

na(n)
11
218
365
4716
56656
648781
7406871
83133028
924130345
10189393503
111456102356
1211283273044
1387512383136
14676031229928
155235900900831
1640524897463300
17313511622285272
182426841120623568
1918779980614275382
20145331206525091820

[1,18,65,716,6656,48781,406871,3133028,24130345,
 189393503,1456102356,11283273044,87512383136,
 676031229928,5235900900831,40524897463300,
 313511622285272,2426841120623568,
 18779980614275382,145331206525091820]