122279

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(137).at n=11A041250
• Number of ways to place n+2 queens and 2 pawns on an n X n board so that no two queens attack each other (symmetric solutions count only once).at n=12A129552
• Prime numbers containing the string 222.at n=34A166580
• The x member of the positive proper fundamental solution (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - D(n)*y^2 = +8 for odd D(n) = A263012(n).at n=6A264351
• Prime numbersat n=11504