26176

Appears in sequences

• Self-convolution of row n of array T given by A026725.at n=8A027207
• Numerator of sum of reciprocals of first n pentatope numbers A000332.at n=31A118411
• Smaller side not divisible by 37 of right triangles with integer sides and integer side inscribed squares with two vertices on the hypotenuse.at n=28A123697
• Number of right triangles on a (n+1)X7 grid.at n=18A189811
• Number of 2 X 2 matrices having all terms in {-n,...,0,..,n} and positive even determinant.at n=7A211157
• Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + A(x)) = 1 + 2*Sum_{n>=1} x^(n*(n+1)/2).at n=13A370141