28947

Appears in sequences

• When cubed gives number composed just of the digits 1, 2, 3, 4, 5.at n=23A061813
• Triangle read by rows: T(n,g) = number of general immersions of a circle with n crossings in a surface of arbitrary genus g, in the case that the circle is oriented and the surface is oriented.at n=17A260285
• a(n) = 3^n - A006952(n).at n=19A304082
• The five digits of a(n) and their four successive absolute first differences are all distinct.at n=14A365257