53548

Appears in sequences

• Generating primitive Pythagorean triangles by using (n, n+1) gives perimeters for each n. This sequence lists the sum of these perimeters for each n triangles.at n=32A193068
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|>=|x-y|+|y-z|.at n=22A212574
• G.f.: 1 / (1 + x + Sum_{k>=2} prime(k-1) * x^k).at n=48A346792
• a(n) is the number of 4 element sets of distinct integer sided strict rectangles that fill an n X n square.at n=47A384724