24192090

Appears in sequences

• a(n) = T(3n+1,n), where T = Catalan triangle (A008315).at n=10A026004
• Denominators of continued fraction convergents to sqrt(224).at n=11A041419
• a(n) = 12 * C(2n+1,n-5) / (n+7).at n=10A090749
• Chebyshev polynomials of the second kind, U(n,x), evaluated at x=15.at n=6A097313
• a(n) = 32*n^5 - 32*n^3 + 6*n.at n=15A242850
• a(n) = U(n, 3*n), where U(n, x) is the Chebyshev polynomial of the second kind.at n=5A349076
• Number of Young tableaux of shape [n, floor(n/2)].at n=21A368567