OFFSET
1,1
COMMENTS
A156856 is almost certainly a proper sequence of this sequence. - Franklin T. Adams-Watters, Feb 21 2009
In fact the first term not of the form A156856(n)=(45n)^2+n is a(93) = 17147972, with contfrac(sqrt(17147972)) = [4141; [91, 90, 91, 8282]]. - M. F. Hasler, Feb 21 2009
The first term not of the form A156856(n)=(45n)^2+n is a(93) = 17147972, with contfrac(sqrt(17147972)) = [4141; [91, 90, 91, 8282]]. - M. F. Hasler, Feb 21 2009
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved