OFFSET
1,2
COMMENTS
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..720
FORMULA
A277712(n) = 2*a(n) for all n >= 1.
PROG
(Scheme, with Antti Karttunen's IntSeq-library, two implementations)
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 27 2016
STATUS
approved