OFFSET
1,2
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..30
Ed Pegg Jr., Math. Puzzles
PROG
(PARI) { n=0; for (m=1, 10^9, p=prime(m); if (frac((p - 1)/4) == 0, q = (p - 3)/2; write("b066163.txt", n++, " ", (q!^2 + 4)/p); if (n==30, return)) ) } \\ Harry J. Smith, Feb 03 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 13 2001
STATUS
approved