295988

Appears in sequences

• a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 5, with initial values 1,-1,1,1.at n=28A025278
• a(n) = C(n+6, 6) - n - 1.at n=21A062989
• a(n) = sum of absolute values of coefficients in (1-x-x^2+x^3)^n.at n=11A192205