65804domain: NAppears in sequencesNumbers whose base-16 representation has exactly 5 runs.at n=11A043678a(n) = 1 + n + binomial(n+3,5).at n=23A154322Expansion of g.f. A(x) satisfying 1 = Sum_{n=-oo..+oo} x^n * (2*A(x) - (-x)^n)^(2*n-1).at n=6A361772