853892

Appears in sequences

• Numbers which, together with their squares in base ten, contain all digits from 1 to 9 exactly twice.at n=22A132660
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (-1, 1, 1), (1, 0, 1), (1, 1, -1)}.at n=11A149230
• G.f. A(x) satisfies: A(x) = Sum_{n>=0} (3 + x*A(x)^n)^n / 4^(n+1).at n=6A302104