100272

Appears in sequences

• a(n) = A083964(n)/(2n-1).at n=31A083965
• Number of ways to place 5 nonattacking amazons (superqueens) on a 5 X n board.at n=17A174644
• Numbers k such that Bernoulli number B_{k} has denominator 46410.at n=27A295590
• Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=7A299748
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=47A299753
• (1/10) times the sum of the elements of all subsets of [n] whose sum is divisible by ten.at n=17A309302