OFFSET
1,1
LINKS
Eric W. Weisstein, MathWorld -- Lagrange's Four-Square Theorem.
Eric W. Weisstein, MathWorld -- Sum of Squares Function.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Martin Renner, Jan 19 2011
EXTENSIONS
a(6)=616995 by Lars Blomberg, May 03 2011
a(7)-a(10) from Donovan Johnson, Jul 01 2011
a(10) corrected and a(11)-a(16) from Hiroaki Yamanouchi, Jul 13 2014
STATUS
approved