20926

Appears in sequences

• Number of M-sequences from multicomplexes on at most 6 variables with no monomial of degree more than n-1.at n=5A007625
• Triangle a(n,k) of number of M-sequences read by antidiagonals.at n=71A007723
• Duplicate of A007625.at n=5A011803
• Number of M-sequences m_0,...,m_4 with m_1 < n.at n=6A011820
• Fractional part of e^a(n) is the largest yet.at n=8A091560
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 3,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=6A155240
• Triangle, read by rows, T(n,k) = Sum_{j=1..k} binomial(n-1, j-1)*binomial(k, j - 1)*(j-1)!.at n=49A176122
• Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 4 6 or 7.at n=7A252517
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 4 6 or 7.at n=37A252523
• Number of compositions of 2n into 2n nonnegative parts such that their xor-sum is zero.at n=5A372967