OFFSET
0,1
COMMENTS
a(n) = the least integer i of the form 4k+3, with A166040(i) = 2n+1.
LINKS
A. Karttunen, Table of n, a(n) for n = 0..1305
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 08 2009
STATUS
approved