64460

Appears in sequences

• a(n) is the number of n-tosses having a run of 3 or more heads and a run of 3 or more tails for a fair coin.at n=16A167826
• a(n) = 2*a(n-1) + a(n-3) with a(0) = 3, a(1) = 2, a(2) = 4.at n=14A332647
• a(n) = Sum_{k=0..n} binomial(k+3,3) * binomial(2*k,2*n-2*k).at n=8A382470