42160

Appears in sequences

• Number of strength 1 Eulerian graphs with n nodes, 2 of odd degree.at n=8A007124
• Number of ways to place 2 nonattacking amazons (superqueens) on an n X n board.at n=17A172200
• Antidiagonal sums of the convolution array A213778.at n=29A213780
• Degrees of irreducible representations of orthogonal group O10+(2).at n=21A214472
• Expansion of the series reversion of x/((1 + x)*(1 - x^2)).at n=14A291534
• a(n) = ((n + 1) - 9*(n + 1)^2 + 8*(n + 1)^3)/6.at n=31A331987
• Number of maximal subsets of {1..n} such that it is possible to choose a different binary index of each element.at n=25A370640