OFFSET
1,2
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..10073
Alois P. Heinz, Positions of first 1410 2's in plane of A274640
FORMULA
A274640(a(n)) = 2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Jul 17 2016
STATUS
approved