317544

Appears in sequences

• Eighth convolution of Schroeder's (second problem) numbers A001003(n), n>=0.at n=7A111996
• Numerators of the convergents of the continued fraction for L(3, chi4), where L(s, chi4) is the Dirichlet L-function for the non-principal character modulo 4.at n=11A153073
• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..4 array extended with zeros and convolved with 1,-2,1.at n=23A222149
• Number of solutions to the Xqueens problem on a 2n X 2n board that are both sparse and paired.at n=2A350614