|
%I #9 Jul 18 2013 02:47:00
%S 0,0,3,8,14,23,34,47,62,79,97,118,141,166,193,222,253,286,321,358,397,
%T 438,481,526,573,622,673,726,781,838,897,958,1020,1085,1152,1221,1292,
%U 1365,1440,1517,1596,1677,1760,1845,1932,2021,2112,2205,2300,2397,2496,2597
%N n^2 - number of digits of n^2.
%F a(n) = A000290(n) - A055642(A000290(n)). _Michel Marcus_, Jul 18 2013
%o (PARI) a(n) = n^2 - length(digits(n^2)) \\ _Michel Marcus_, Jul 18 2013
%K nonn,base
%O 0,3
%A _Rolf Pleisch_, Jun 29 2008
%E Corrected and extended by _N. J. A. Sloane_, Jun 29 2008
|
