49568

Appears in sequences

• a(1) = 1, a(n+1) = 2 * digit reversal of a(n).at n=11A095197
• Number of length n+3 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs.at n=19A256818
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 267", based on the 5-celled von Neumann neighborhood.at n=41A271085
• G.f. satisfies A(x) = 1 + 2*x*A(x) + x^4*A(x)^4.at n=11A367114