login
A259867
Exponent of 2 modulo the prime A056807(n).
1
5, 1500, 234375, 300000000, 7500000000000000000000000000, 750000000000000000000000000000000000, 1500000000000000000000000000000000000000000000000000000000000000000
OFFSET
1,1
LINKS
S. W. Golomb, Properties of the sequence 3.2^n+1, Math. Comp., 30 (1976), 657-663.
S. W. Golomb, Properties of the sequence 3.2^n+1, Math. Comp., 30 (1976), 657-663. [Annotated scanned copy]
MAPLE
A259867 := proc(n)
p := 3*10^A056807(n)+1 ;
numtheory[order](2, p) ;
end proc: # R. J. Mathar, Jul 15 2015
CROSSREFS
Cf. A056807.
Sequence in context: A317070 A316951 A317731 * A169620 A181992 A145694
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 08 2015
STATUS
approved