OFFSET
0,7
COMMENTS
LINKS
Peter Kagey, Table of n, a(n) for n = 0..10000
EXAMPLE
For n=12 the a(12)=3 solutions are 3, 6, and 37:
(1) (a) 2 * 12^2 < 3 * 10^2 < 2 * 13^2
(b) 2 * 12^2 < 2 * 3 * 7^2 < 2 * 13^2
(2) (a) 2 * 12^2 < 6 * 7^2 < 2 * 13^2
(b) 2 * 12^2 < 2 * 6 * 5^2 < 2 * 13^2
(3) (a) 2 * 12^2 < 37 * 3^2 < 2 * 13^2
(b) 2 * 12^2 < 2 * 37 * 2^2 < 2 * 13^2
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Kagey, Aug 03 2015
STATUS
approved