11580409

Appears in sequences

• Determinant of n X n matrix of form [1 2 3 0 0 0 0 0 0 0 / 2 1 2 3 0 0 0 0 0 0 / 3 2 1 2 3 0 0 0 0 0 / 0 3 2 1 2 3 0 0 0 0 / 0 0 3 2 1 2 3 0 0 0 / 0 0 0 3 2 1 2 3 0 0 / 0 0 0 0 3 2 1 2 3 0 / 0 0 0 0 0 3 2 1 2 3 / 0 0 0 0 0 0 3 2 1 2 / 0 0 0 0 0 0 0 3 2 1].at n=18A071533
• Composite numbers m such that tau_k(m) = m for some k, where tau_k is the k-th Piltz divisor function (A077592).at n=33A327774