164448

Appears in sequences

• Numerators of continued fraction convergents to sqrt(561).at n=11A042074
• Sizes of successive increasing gaps between 2-pseudoprimes.at n=25A175738
• Number of ways to place 2 non-attacking wazirs on an n X n toroidal board.at n=23A201236
• Number of 2 X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.at n=10A232921