OFFSET
1,1
COMMENTS
No additional terms < 10^7. See A173348 for more information.
a(28) > 10^9. - Robert Price, Apr 15 2021
MATHEMATICA
Solutions[9, 2, 10^7] (* see A173348 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, Feb 22 2010
EXTENSIONS
a(19)-a(27) from Robert Price, Apr 15 2021
STATUS
approved