596904

Appears in sequences

• Triangle read by rows, where the g.f. satisfies A(x, y) = 1 + x*A(x, y)^2 + x*y*A(x, y)^3.at n=42A104978
• Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1),U=(1,2), or d=(1,-1) and have k peaks of the form Ud.at n=38A108426
• Numbers n such that sigma(n) = 15*phi(n) (where sigma=A000203, phi=A000010).at n=12A171260
• Triangle T(n,m) read by rows: The number of m-Schroeder paths of order n with 2 diagonal steps.at n=22A173622
• Coefficient of x^n in the expansion of (1+x^3+x^4)^n.at n=20A192442
• a(n) = (p+1)*(p+2)*(p+3)/6 where p is the n-th prime.at n=35A271512
• 2nd diagonal (from right) in A104978.at n=6A383450
• a(n) = 12 * (5*n+2)! / ((3*n+1)! * (2*n+2)!).at n=4A384668