18296

Appears in sequences

• Low temperature series for spin-1/2 Ising magnetic susceptibility on 2D square lattice.at n=7A002927
• Sum of terms in n-th row of A081491.at n=15A081492
• Poincaré series [or Poincare series] P(T_{5,2}; x).at n=10A124617
• Number of concave kites (darts or arrowheads) on an n X n grid (or geoboard).at n=9A173502
• Numbers k such that, taken together, the base-10 and base-b expansions of k are pandigital for some b < 10.at n=5A174596
• Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..2 nX3 array.at n=4A220373
• T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..2 nXk array.at n=23A220375
• T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..2 nXk array.at n=25A220375
• Given the associative array U(n,k) described below, numbers m > 5 such that [m-3..m+3] are not in U(n,k) (excluding the first row and column).at n=11A345473
• Positive numbers k such that the centered cube number k^3 + (k+1)^3 is equal to the difference of two positive cubes and to A352755(n).at n=11A352756
• Construct a square spiral: a(n) is the sum of all adjacent terms a(k) in the spiral for k < n; a(1) = 0, a(2) = 1.at n=46A358429