60287

Appears in sequences

• Prime sieve of e.at n=3A248804
• Irregular triangle read by rows: T(n, k) = number of non-equivalent ways to tile an n X n X n triangular area with k 2 X 2 X 2 triangular tiles and an appropriate number (= n^2-4*k) of 1 X 1 X 1 tiles.at n=45A286443
• Number of mutual-visibility sets in the n-crown graph.at n=7A390404