login
A140816
A third of digital roots of Bernoulli number denominators.
1
1, 2, 1, 2, 1, 1, 1, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 1, 1, 2, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 1, 2, 1
OFFSET
0,2
FORMULA
a(n)= A010878(A140814(n))/ 3.
CROSSREFS
Sequence in context: A302790 A363455 A333849 * A029433 A337144 A088203
KEYWORD
nonn,base
AUTHOR
Paul Curtz, Jul 16 2008
EXTENSIONS
Edited and extended by R. J. Mathar, Jul 29 2008
STATUS
approved