OFFSET
1,1
LINKS
Peter Kagey, Table of n, a(n) for n = 1..1000
EXAMPLE
6 = 1 + 5;
10 = 5 + 5;
36 = 1 + 35;
105 = 35 + 70.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Olivier Gérard, Mar 05 2020
STATUS
approved