268541

Appears in sequences

• a(n) = 15*binomial(n,6)-6*binomial(n-2,4)+binomial(n-4,4).at n=14A274311
• G.f.: Sum_{n>=0} x^n * (1 - x^(n+1))^n / (1 + x^(n+1))^(n+1).at n=80A323695
• a(n) = [x^(n*(n+2))] Sum_{m>=0} x^m * (1 - x^(m+1))^m / (1 + x^(m+1))^(m+1).at n=8A323696
• G.f.: Sum_{n>=0} x^n * (x^(n+1) + i)^n / (1 + i*x^(n+1))^(n+1).at n=80A324300
• a(n) = [x^(n*(n+2))] Sum_{m>=0} x^m * (x^(m+1) + i)^m / (1 + i*x^(m+1))^(m+1), for n >= 0.at n=8A324303