43488

Appears in sequences

• Coefficients in the series (1 + x^2 + x^3 + x^5 + x^7 + x^11 + x^13 + ... )/(1 - x - x^4 - x^6 - x^8 - x^9 - x^10 - x^12 - x^14 - ... ).at n=26A058355
• Coefficients of denominator polynomials T(n,x) associated with reciprocation.at n=43A147986
• Coefficients of denominator polynomials Q(n,x) associated with reciprocation.at n=43A147988
• Coefficients of denominator polynomials Q(n,x) associated with reciprocation.at n=49A147988
• Coefficients of factor polynomials U(n,x) associated with reciprocation.at n=47A147989
• Number of 3-step self-avoiding walks on an n X n X n cube summed over all starting positions.at n=11A187164
• Number of 1:2:sqrt(5) proportioned triangles on an (n+1) X (n+1) grid.at n=17A190099
• Special values of Hermite polynomials.at n=5A197355
• E.g.f. A(x) satisfies: A'(x) = A(x*A'(x)) with A(0)=1.at n=7A231619
• Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=5A252274
• Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=3A252276
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=39A252278
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=41A252278
• Number of ways to choose 3 points that form an equilateral triangle from the A000292(n) points in a regular tetrahedral grid of side length n.at n=15A334581