50886

Appears in sequences

• Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1,2.at n=7A037758
• Numbers whose base-15 representation has exactly 5 runs.at n=19A043672
• a(1) = 16; a(n+1) = sum of a(n) and (a(n) written in base 2 and reversed).at n=16A070869
• Number of Dyck paths such that the area between the x-axis and the path is n.at n=29A143951
• a(n) = n! * [x^n] -x*(x + 1)*exp(x)/(x - 1)^3.at n=6A343276