-331776

Appears in sequences

• Expansion of (1-x)/(1-2*x^2+2*x^3).at n=23A078025
• Determinant of the n X n matrix with (i,j)-entry (i,j = 0,...,n-1) equal to 1 or 0 according as n + i - j and n - i + j are both prime or not.at n=41A228623