OFFSET
1,1
LINKS
Paul Richards and David W. Wilson, Table of n, a(n) for n = 1..10000 (first 135 terms from Paul Richards)
EXAMPLE
25 = 3^2 + 4^2 = 5^2.
365 = 10^2 + 11^2 + 12^2 = 13^2 + 14^2.
PROG
(PARI) ok(n) = {my(i=sqrtint(n), m=0); while(i>0&&m<2, my(a=i^2, j=i); while(j>0&&a<=n, if(a==n, m+=1); j-=1; a=a+j^2); i-=1); return(m>1)}
{for(p=1, 24000, if(ok(p), print1(p, ", ")))} \\ Antonio Roldán, Mar 09 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Richards, May 03 2007
EXTENSIONS
Extended by Ray Chandler, May 04 2007
STATUS
approved