OFFSET
1,2
COMMENTS
Complement of A129816. [From Omar E. Pol, Dec 26 2008]
LINKS
David W. Wilson, Table of n, a(n) for n = 1..10000
PROG
(PARI) primesq(n, m) = \square of the form prime(x)*prime(x+1) + k {local(c, k, x, p1, p2, j); c=0; for(k=1, m, for(x=1, n, p1=prime(x); p2=(prime(x+1)); y=p1*p2+k; if(issquare(y), c++; print1(k", "); break; ) ) ); c; }
CROSSREFS
KEYWORD
easy,nonn,obsc
AUTHOR
Cino Hilliard, May 18 2007
EXTENSIONS
I don't know how many of the missing terms have been proved to be missing. Has it been proved that 2 is missing? - N. J. A. Sloane, May 20 2007
STATUS
approved