3726450

Appears in sequences

• T(n,k)=Number of (n+2)Xk 0..3 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=10A223495
• Number of 3Xn 0..3 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=4A223496
• Total number of 2 X 2 squares appearing in the Thue-Morse sequence logical matrices after n stages.at n=13A241683
• Total number of 2 X 2 squares appearing in the Thue-Morse sequence logical matrices (1, 0 version) after n stages.at n=13A241892
• a(n) = n^2*(n^2 - 1)^2/2.at n=13A288959
• Numbers formed as the product of two numbers without consecutive equal binary digits and sharing no common bits between them.at n=11A337348