OFFSET
1,1
LINKS
Donovan Johnson, Table of n, a(n) for n = 1..5077 (terms < 10^15)
Thomas Andrews, Sum of consecutive squares equal to a square
K. S. Brown, Sum of Consecutive Nth Powers Equals an Nth Power
FORMULA
a(n) = A097812(n)^2.
EXAMPLE
25 = 5^2 = 3^2 + 4^2
841 = 29^2 = 20^2 + 21^2
4900 is the sum of the first 24 squares.
MATHEMATICA
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 21 2009
STATUS
approved