107568

Appears in sequences

• Number of Pythagorean quintuples mod n; i.e., number of solutions to v^2 + w^2 + x^2 + y^2 = z^2 mod n.at n=17A096020
• a(n) = (A114043(n) - 1)/2.at n=28A115005
• Numbers with 50 divisors.at n=24A175756
• Number of 1:4:sqrt(17) proportioned triangles on a (n+1) X (n+1) grid.at n=30A189884
• Numbers with prime factorization pq^4r^4.at n=23A190012
• Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.at n=8A207495
• T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.at n=17A264638
• Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.at n=3A264640
• Numbers that have exactly two exponents in their prime factorization that are equal to 4.at n=34A386805