193036

Appears in sequences

• Starting index of a string of 5 or more consecutive equal digits in decimal expansion of Pi.at n=20A049517
• Number of homeomorphically irreducible multigraphs (or series-reduced multigraphs or multigraphs without nodes of degree 2) on 4 labeled nodes.at n=27A060534
• Starting positions of strings of four 9's in the decimal expansion of Pi.at n=22A083643
• E.g.f. satisfies: A(x) = exp(2*x*exp(x*A(x))).at n=6A161566
• Number of distinct solutions of sum{i=1..5}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1.at n=9A180776