267140

Appears in sequences

• The first n-fold intrinsically 5-palindrome (represented in base ten).at n=2A171704
• The first 3-fold intrinsically n-palindromic number (given in base ten).at n=3A171741
• Number of edges in a complete bipartite graph where the n vertices of each part are placed on the vertices, and on opposite sides, of a regular 2n-gon.at n=27A392973