491322

Appears in sequences

• Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (2,4,4,...) and super- and subdiagonals (1,1,1,...).at n=46A124575
• Tetraprime numbers differing by more than 3 from any other squarefree number.at n=9A369238