1710720

Appears in sequences

• Numbers found in denominators of expansion of Airy function Ai(x).at n=8A014402
• Numbers found in denominators of expansion of Airy function Bi(x).at n=8A014403
• A convolution triangle of numbers generalizing Pascal's triangle A007318.at n=37A049327
• Denominators of coefficients in 1/sin(x) - 1/sinh(x) power series.at n=2A068918
• a(1) = 1, a(n) = a(n-1) if n = 1 (mod 3), otherwise n*a(n-1).at n=11A123144
• a(1) = 1, a(n) = a(n-1) if n = 1 (mod 3), otherwise n*a(n-1).at n=12A123144
• Denominators of coefficients of a series, called f, related to Airy functions.at n=4A176730
• Young urn sequence (number of possible evolutions in n steps of the "Young" Pólya urn).at n=8A293653
• Denominators of power series solution to differential equation diff(diff(y(t),t),t)+t*y(t) = 0, with initial conditions y(0)=1, Dy(0)=1/2.at n=12A318918
• Array read by ascending antidiagonals: T(n, k) = (k*n)!/(k^n*(1/k)_n) with (n >= 0 and k >= 1), where (x)_n = x*(x + 1)*...*(x + n - 1) is the Pochhammer symbol.at n=23A329070