144150
domain: N
Appears in sequences
- Card-matching numbers (Dinner-Diner matching numbers).at n=22A059062
- Card-matching numbers (Dinner-Diner matching numbers).at n=39A059066
- Row sums of triangle A096815, in which A096815(n,k) equals the k-th term of the convolution of the two prior rows indexed by (n-k) and k.at n=22A096816
- Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with every one adjacent to exactly 2 other ones.at n=15A153986
- Smallest area A of Heron triangles with sides (a, b, c) in arithmetic progression of the form b - d(n), b, b + d(n), where d(n) = A091998(n) = 12*n +- 1.at n=25A229098
- Positive integers, c, such that there are more than two solutions to the equation a^2 + b^3 = c^4, with a, b > 0.at n=53A242381
- Triangle read by rows: T(n,k) is the number of n X n matrices of rank k over F_2.at n=17A286331
- Triangular array read by rows. T(n,k) is the number of n X n matrices T over GF(2) such that there are exactly 2^k vectors v in GF(2)^n with Tv=v, n>=0, 0<=k<=n.at n=18A379105