OFFSET
1,1
LINKS
Ray Chandler, Table of n, a(n) for n = 1..10000
FORMULA
A163169(a(n)) = 13. - Ray Chandler, Mar 22 2016
a(n) == 0 (mod 104). - Hugo Pfoertner, Feb 04 2021
EXAMPLE
90 = 1 + 2 + 3 + ... + 11 + 12 + 13 = 29 + 30 + 31 (not in sequence);
104 = 2 + 3 + 4 + ... + 12 + 13 + 14;
208 = 10 + 11 + 12 + ... + 20 + 21 + 22;
416 = 26 + 27 + 28 + ... + 36 + 37 + 38.
CROSSREFS
KEYWORD
nonn
AUTHOR
Martin Renner, Mar 14 2016
STATUS
approved