30195

Appears in sequences

• a(n) = a(n-1) + Sum_{0<k<=n/5} a(n-5k) with a(0)=1.at n=36A113444
• Coefficients in the expansion of C^2/B^3, in Watson's notation of page 106.at n=15A160462
• Primitive values n such that the square with opposite corners (0,0) and (n,n) contains a point (x,y) with integer coordinates, with 0 < x,y < n, at an integer distance from three of the four corners.at n=39A260549
• Like 4-white numbers but with blocks of 4 starting at left.at n=14A277397
• Number of ways to write n as an ordered sum of 10 nonzero triangular numbers.at n=28A340955
• Number of 4 element sets of distinct integer sided rectangles that fill an n X n square.at n=38A387171