login
A037630
Base-9 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,0.
0
2, 21, 189, 1703, 15330, 137970, 1241732, 11175591, 100580319, 905222873, 8147005860, 73323052740, 659907474662, 5939167271961, 53452505447649, 481072549028843, 4329652941259590
OFFSET
1,1
FORMULA
G.f.: x*(2+3*x) / ( (x-1)*(9*x-1)*(1+x+x^2) ). - R. J. Mathar, Nov 21 2011
CROSSREFS
Sequence in context: A202028 A265167 A037749 * A037756 A037644 A329553
KEYWORD
nonn,base
STATUS
approved