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A243455 as a simple table

na(n)
16
261
32089
43606
518585
628710
770981
8121374
9176529
10520320
11970783
1262788800
13114682878
14144653952
15174635334
16182054895
173857228169
184349012190
1915994971740
2017587660602
2122842677823
2265183331200
2366928439760

[6,61,2089,3606,18585,28710,70981,121374,176529,
 520320,970783,62788800,114682878,144653952,
 174635334,182054895,3857228169,4349012190,
 15994971740,17587660602,22842677823,65183331200,
 66928439760]