465010

Appears in sequences

• Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,1.at n=11A037488
• Expansion of g.f. (1+4*x)/((1-x)*(1+x)*(1-3*x)).at n=11A085287
• Triangle read by rows: T(n,k) = (n+1,k)-th element of (M^9-M)/8, where M is the infinite lower Pascal's triangle matrix, 1<=k<=n.at n=22A096043