OFFSET
1,2
COMMENTS
This sequence of odd integers mimics the prime numbers and more specifically it is conjectured a(n) satisfies an analog of the k-tuple conjecture (see link) with similar heuristic asymptotic formulas.
LINKS
MATHEMATICA
Table[2*Floor[(n + Sin[n]/(2*Sin[1/2]))*Log[n]] + 1, {n, 60}] (* T. D. Noe, Nov 08 2012 *)
PROG
(PARI) a(n)=2*floor((n+sin(n)/2/sin(1/2))*log(n))+1
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Nov 07 2012
STATUS
approved