456416

Appears in sequences

• Generalized Catalan numbers 2*x*A(x)^2 -A(x) +1 -x =0.at n=9A068764
• a(n+3) = 6a(n+2) - 10a(n+1) + 3a(n); a(0) = 1, a(1) = 4, a(2) = 14.at n=11A104487
• Diagonal sums of the Riordan matrix (1/(1-3*x^2),x/(1-x)) (A191582).at n=22A191584