296646

Appears in sequences

• Integers y such that for some integer x we have uphi(x) = uphi(y) = x-y, where uphi(n) = A047994(n) is the unitary totient function: If n = Product p_i^e_i, uphi(n) = Product (p_i^e_i - 1).at n=28A067741
• Number of n X 4 0..2 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=6A224258
• Number of 7 X n 0..2 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=3A224267
• Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=6A304702
• Number of nX7 0..1 arrays with every element unequal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=5A304703