52112

Appears in sequences

• Frobenius number of the numerical semigroup generated by three consecutive hexagonal numbers.at n=17A069758
• G.f.: A(x) = Sum_{n>=0} (4n)!/n!^4 * x^(2n)/(1-2*x)^(4n+1).at n=5A183067
• Central coefficients of the Riordan matrix (g(x),x*g(x)), where g(x) = (1-x-sqrt(1-2x-3x^2-4x^3))/(2*x^2*(1+x)) (A190252).at n=7A190253
• Number of length n+4 0..4 arrays with no pair in any consecutive five terms totalling exactly 4.at n=5A246733
• T(n,k)=Number of length n+4 0..k arrays with no pair in any consecutive five terms totalling exactly k.at n=41A246737
• Number of length 6+4 0..n arrays with no pair in any consecutive five terms totalling exactly n.at n=3A246743
• Starts of runs of 3 consecutive numbers with the same total binary weight of their divisors (A093653).at n=23A338453