220896

Appears in sequences

• Numerators of continued fraction convergents to sqrt(368).at n=5A041696
• a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 3, and a(3) = 1.at n=18A049966
• Number of 2 X n 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero.at n=11A231038
• Number of 2 X 2 matrices with entries in {0,1,...,n} and even determinant with no entry repeated.at n=25A277044