OFFSET
1,1
LINKS
Donovan Johnson, Table of n, a(n) for n = 1..56 (terms < 10^12)
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
David W. Wilson, Jan 05 2009
EXTENSIONS
More terms and PARI code from M. F. Hasler, Jan 05 2009
a(19)-a(30) from Donovan Johnson, Feb 07 2009
STATUS
approved