OFFSET
1,1
COMMENTS
a(n) is the smallest m such that 3*(2n-1) | (2^m+1).
LINKS
Muniru A Asiru, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = 2*A216829(n).
MATHEMATICA
Table[MultiplicativeOrder[2, 3*(2*n-1)], {n, 100}] (* T. D. Noe, Sep 19 2012 *)
PROG
(PARI) vector(100, n, znorder(Mod(2, 3*(2*n-1)))) \\ Joerg Arndt, Sep 14 2012.
(GAP) List([1..70], n->OrderMod(2, 3*(2*n-1))); # Muniru A Asiru, Feb 25 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
V. Raman, Sep 17 2012
STATUS
approved