OFFSET
1,3
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
FORMULA
a(n+1) = a(n) + A051903(n), a(1) = 0;
a(n) ~ c * n, where c is Niven's constant (A033150). - Amiram Eldar, Oct 19 2020
MATHEMATICA
f[1] = 0; f[n_] := Max @ FactorInteger[n][[;; , 2]]; Accumulate @ Array[f, 70] (* Amiram Eldar, Oct 19 2020 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Reinhard Zumkeller, Mar 30 2007
STATUS
approved