-15164

Appears in sequences

• Expansion of (1 + x)^2 / ((1 - x)^2*(1 + 2*x)^2).at n=13A322039
• a(n) is the minimal determinant of an n X n symmetric Toeplitz matrix having 0 on the main diagonal and all the first n-1 primes off-diagonal.at n=5A374386