190435

Appears in sequences

• a(n) = n*a(n-1) + (n-5)*a(n-2).at n=7A001910
• Denominators of approximations to e.at n=40A006259
• Denominators of convergents to e.at n=14A007677
• Values of k for which there are no empty intervals when fractional_part(m*e) for m = 1, ..., k is plotted along [ 0, 1 ] subdivided into k equal regions.at n=16A036413
• a(n) = (1/n!)*A023043(n).at n=5A094795
• a(3n) = a(3n-1) + a(3n-2), a(3n+1) = 2n*a(3n) + a(3n-1), a(3n+2) = a(3n+1) + a(3n).at n=16A113874
• Denominators of "Farey fraction" approximations to e.at n=42A119015
• Number triangle with row sums given by quadruple factorial numbers A001813.at n=31A168422
• Where A024573 becomes a record.at n=22A182219
• Numbers k such that there exists at least an integer in the interval [e*k - 1/k, e*k + 1/k] where e = 2.71828... is Euler's number.at n=20A265742
• a(n) = hypergeometric([n, -n], [], 1).at n=6A278069