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A065739
Largest square <= sum of first n squares.
1
1, 4, 9, 25, 49, 81, 121, 196, 256, 361, 484, 625, 784, 961, 1225, 1444, 1764, 2025, 2401, 2809, 3249, 3721, 4225, 4900, 5476, 6084, 6889, 7569, 8464, 9409, 10404, 11236, 12321, 13456, 14884, 16129, 17424, 18769, 20449, 21904, 23716, 25281
OFFSET
1,2
LINKS
FORMULA
a(n) = A048760(A000330(n)).
PROG
(PARI) { s=0; for (n=1, 1000, s+=n^2; a=sqrtint(s)^2; write("b065739.txt", n, " ", a) ) } \\ Harry J. Smith, Oct 29 2009
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Labos Elemer, Nov 15 2001
STATUS
approved