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A253760 as a simple table

na(n)
182064
21135439
317235224
4259418152
53910850069
659192461388
7905139371305
813773651088674
9210205418977063
103197332778032060
1148751981977524957
12741871790268964168
1311303138320941955297
14172011812879115941672

[82064,1135439,17235224,259418152,3910850069,
 59192461388,905139371305,13773651088674,
 210205418977063,3197332778032060,
 48751981977524957,741871790268964168,
 11303138320941955297,172011812879115941672]