45870

Appears in sequences

• Denominators of continued fraction convergents to sqrt(682).at n=9A042311
• a(n) = (C(2n, n)/2 - (2^(n-1) + ((n+1) mod 2)*C(n-1, n/2-1)))/2.at n=9A042971
• Number of diagonal rectangles with corners on an n X n grid of points.at n=20A113751
• Andrews's shadow difference function D_3(q).at n=46A275633
• Number of inequivalent ways to color the edges of a tetrahedron using at most n colors so that no two adjacent edges have the same color.at n=11A282818
• E.g.f.: exp(-1/4! * x^4 * exp(x)).at n=11A292955
• Numbers k such that lambda(k) = lambda(k+2), where lambda is the Carmichael lambda function (A002322).at n=36A333742