47032

Appears in sequences

• Numbers k such that 21 plus the k-th triangular number is a perfect square.at n=10A154148
• Number of non-equivalent (mod D_3) ways to choose three points in an n X n X n triangular grid so that they do not form a 2 X 2 X 2 subtriangle.at n=13A237530
• Number of fixed polyquoins with n cells.at n=3A392941