OFFSET
0,1
PROG
(PARI) v=vector(60); v[1]=5; print1("5, "); for(n=2, 60, for(k=1, 10^15, if(issquarefree(k), s=0; for(l=1, n-1, if(issquarefree(k+v[l]), break); s=s+1)); if(s==n-1, print1(k", "); v[n]=k; break)))
CROSSREFS
KEYWORD
nonn
AUTHOR
Ralf Stephan, Mar 25 2003
EXTENSIONS
More terms from Sam Alexander, Dec 12 2003
STATUS
approved