login

A228842 as a simple table

na(n)
02
16
228
3144
4752
53936
620608
7107904
8564992
92958336
1015490048
1181106944
12424681472
132223661056
1411643240448
1560964798464
16319215828992
171671435780096
188751751364608
1945824765067264
20239941584945152
211256350449401856
226578336356630528
2334444616342175744

[2,6,28,144,752,3936,20608,107904,564992,2958336,
 15490048,81106944,424681472,2223661056,
 11643240448,60964798464,319215828992,
 1671435780096,8751751364608,45824765067264,
 239941584945152,1256350449401856,6578336356630528,
 34444616342175744]