279864

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 46.at n=22A031724
• Numbers n such that sigma(n) is congruent to n mod phi(n).at n=26A066679
• Sum of two powers of 23.at n=11A073215
• Given n colors, sequence gives number of ways to color the vertices of a square such that no edge has the same color on both of its vertices.at n=23A091940
• a(n) = 529*n^2 + 23.at n=23A158631
• Number of (5+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=9A250787
• Coefficients in q-expansion of (E_2*E_4 - E_6)/720, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=23A281372