OFFSET
0,2
COMMENTS
First differs from A025709 at a(84).
LINKS
Robert Israel, Table of n, a(n) for n = 0..10000
FORMULA
a(n) = n + 1 + Sum(j= 1 .. n, floor(j*log[6](4))). - Robert Israel, May 10 2015
MAPLE
N:= 200: # to get a(0) to a(N)
[$1..N+1] + ListTools:-PartialSums([seq(floor(j*log[6](4)), j=0..N)]); # Robert Israel, May 10 2015
PROG
(PARI) a(n)=my(N=1); n+1+sum(i=1, n, logint(N*=4, 6)); \\ Charles R Greathouse IV, Jan 11 2018
(PARI) first(n)=my(s, N=1/4); vector(n+1, i, s+=logint(N*=4, 6)+1) \\ Charles R Greathouse IV, Jan 11 2018
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Edited and offset corrected by Robert Israel, May 10 2015
STATUS
approved