OFFSET
1,3
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..10080
FORMULA
Asymptotic mean: Limit_{m->oo} (1/m) * Sum_{k=1..m} a(k) = 2*e - 4 = A019762 - 4 = 1.436563... . - Amiram Eldar, Jan 05 2024
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Antti Karttunen, Oct 31 2013
STATUS
approved