29994

Appears in sequences

• G.f.: Product_{k>=1} (1 + 2*x^k).at n=38A032302
• a(n) = k where R(k+6) = 3.at n=3A086941
• Partial sums of A094837.at n=12A138901
• Numbers n such that n is the mean value of phi(n) and reversal(n).at n=3A178326
• Expansion of (x-1)^2 / ( 1-4*x+5*x^2-4*x^3 ).at n=11A271896
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 429", based on the 5-celled von Neumann neighborhood.at n=34A272113