OFFSET
1,1
EXAMPLE
For n=41, s = 2*41^2 + 2*41 +1 = 3445, the sum of two consecutive squares. With s falling in the interval of two other consecutive squares 58^2<s<59^2 or 3364<3445<3481, one gets squares 36 for 3481-3445 and 81 for 3345-3364.
CROSSREFS
KEYWORD
nonn
AUTHOR
J. M. Bergot, Jul 09 2011
STATUS
approved