OFFSET
1,3
LINKS
Paolo Xausa, Table of n, a(n) for n = 1..10000
MATHEMATICA
Accumulate[Ceiling[Log[Range[100]]]] (* Paolo Xausa, Jun 28 2024 *)
PROG
(PARI) a(n) = sum(i=1, n, ceil(log(i))) \\ Felix Fröhlich, Dec 14 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
Jeffrey Shallit, Dec 14 2016
STATUS
approved