11141120

Appears in sequences

• a(n) = binomial(n,3)*2^(n-3).at n=14A001789
• Let P(n,X) = Product_{i=1..2n+1} (X - 1/cos(Pi*k/(2n+1))); then P(n,X) is a polynomial with integer coefficients. Sequences gives maximum values of absolute values of coefficients of P(n,X).at n=10A075581
• Expansion of g.f. 1/(1 - 2*x + 8*x^2).at n=17A090591
• Numbers k such that phi(k) is a perfect 11th power.at n=25A114573
• Ways to write the identity as a product of n 3-cycles in symmetric group S_4.at n=9A159277
• Number of (n+2)X(n+2) 0..3 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=24A253017