65806

Appears in sequences

• Numbers whose base-16 representation has exactly 5 runs.at n=13A043678
• a(n) = (n^5 - 5*n^4 + 5*n^3 + 5*n^2 + 114*n + 120)/120.at n=25A161701
• G.f. A(x) satisfies A(x) = 1 / ((1 + x) * (1 - x * (1 + x + x^2) * A(x^3))).at n=19A367717