27920

Appears in sequences

• Number of partitions of n into parts not of the form 19k, 19k+5 or 19k-5. Also number of partitions with at most 4 parts of size 1 and differences between parts at distance 8 are greater than 1.at n=41A035974
• Numbers k that can be expressed as k = w+x = y*z with w*x = (y+z)^2 where w, x, y, and z are all positive integers.at n=26A057369
• Number of kites, distinct up to congruence, on an n X n grid (or geoboard).at n=42A181946
• Difference between the sum of odd parts and the sum of even parts in all the partitions of n.at n=34A208477
• a(n) is the number of vertices formed by n-secting the angles of a decagon.at n=36A335801