199509

Appears in sequences

• Expansion of 1/(1-x^3-x^4-x^5-x^6-x^7-x^8-x^9-x^10).at n=37A017823
• The number of edges formed on an isosceles triangle by straight line segments mutually connecting all vertices and all points that divide the two equal length sides into n equal parts; the base of the triangle contains no points other than its vertices.at n=25A333027