33269

Appears in sequences

• a(n) = Sum{T(i,j)}, 0<=i<=n, 0<=j<=n, T given by A026703.at n=12A026712
• Dirichlet convolution of b_n=2^(n-1) with sigma(n).at n=15A034737
• Euler transform of A002487.at n=23A071019
• Number of inequivalent linear projective ternary codes of length n (i.e., with distinct columns and without zero columns). Also the number of nonisomorphic simple ternary matroids on an n-set.at n=10A076894
• Number of primitive partition identities with largest part n.at n=12A089040
• Composite squarefree numbers n such that p(i)+5 divides n-5, where p(i) are the prime factors of n.at n=10A225715
• Number of nX4 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order.at n=7A240652
• T(n,k)=Number of nXk 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order.at n=58A240656
• T(n,k)=Number of nXk 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order.at n=62A240656
• Alternating sum of centered heptagonal pyramidal numbers.at n=38A270694
• Number of integer partitions of n with no adjacent parts of quotient 2.at n=46A350837
• Number of vertices formed in a square by straight line segments when connecting the four corner vertices to the points dividing the sides into n equal parts.at n=44A355949