26658

Appears in sequences

• Numerators of continued fraction convergents to sqrt(360).at n=4A041682
• a(n) = 121*n^2 - 38*n + 3.at n=14A157443
• Number of n X 3 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=5A231241
• T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=33A231246
• Number of 6Xn 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=2A231251
• Let v = list of denominators of Farey series of order n (see A006843); a(n) = sum of products of adjacent terms of v.at n=20A278046
• a(n) = 420*2^n - 222.at n=6A304614
• a(n) = 1944*n^2 - 5016*n + 3138 (n >= 1).at n=4A304838
• Number of bracelets (turnover necklaces) of length n that have no reflection symmetry and consist of 6 white beads and n-6 black beads.at n=27A308401