OFFSET
1,1
COMMENTS
Apparently all next terms are zero.
EXAMPLE
a(1) = 4: 2, 3, 5, 7.
a(2) = 10: 11, 23, 29, 41, 43, 47, 61, 67, 83, 89.
a(8) = 2: 20266681, 48804809.
a(9) = 4: 228440489, 244064027, 606202627, 608844043.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Zak Seidov, Jan 30 2013
EXTENSIONS
a(13)-a(15) from Donovan Johnson, Feb 17 2013
STATUS
approved