28118

Appears in sequences

• Expansion of (1+x*C^4)*C^2, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.at n=8A032952
• Numbers whose base-5 representation contains exactly three 3's and three 4's.at n=29A045307
• Numbers n such that A078142(n) = A078142(n+1) = A078142(n+2), where A078142(n) is the sum of the differences of the distinct prime factors p of n and the next square larger than p.at n=13A073938
• T(n,k)=Number of nXk 0..2 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.at n=37A232023
• Number of 2 X n 0..2 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.at n=7A232024
• Numbers k such that s(k) = s(k+1) but phi(k) != phi(k+1), where s(k) = phi(k) + phi(phi(k)) + ... + 1 is the sum of iterated phi (A092693).at n=15A291177
• G.f.: Sum_{n>=0} x^n * ((1+x)^n + 2*i)^n / (1 + 2*i*x*(1+x)^n)^(n+1), where i^2 = -1.at n=8A323684
• Indices n of Gram points g(n) for successive positive maxima of the Riemann zeta function on critical line.at n=38A327543