79308
domain: N
Appears in sequences
- Number of concave kites (darts or arrowheads) on an n X n grid (or geoboard).at n=12A173502
- Number of 2 X 2 matrices having all terms in {-n,...,0,...,n} and determinant > n.at n=9A211150
- Expansion of 1/((1 - x)*(2 - theta_2(sqrt(x))/(2*x^(1/8)))), where theta_2() is the Jacobi theta function.at n=25A303668