53838

Appears in sequences

• Floor[ concatenation of n+2, n+1 and n divided by 3 ].at n=14A075004
• Expansion of g.f. A(x) satisfying A(x) = 1 + x*(A(x)^2 - A(-x)^2)/2 + x*(A(x)^3 + A(-x)^3)/2.at n=9A368626