25573

Appears in sequences

• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min(i,j)^2 (A106314).at n=22A204020
• Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic.at n=22A210885
• Nonprime numbers k of the form 4*m+1 such that Sum_{j=0..k-1} 2^j * binomial(3*j, j) == 1 (mod k).at n=40A373747
• Number of ways to place eight distinct positive integers on a square, four on the corners and four on the sides such that the sum of the three values on each side is n.at n=29A380962