-1113

Appears in sequences

• Expansion of e.g.f.: log(1 + tanh(x)*exp(x)).at n=7A009395
• Expansion of sin(sinh(x)/cos(x)).at n=3A009498
• cosh(log(x+1)-sin(x))= 1+3/4!*x^4-30/5!*x^5+180/6!*x^6-1113/7!*x^7...at n=7A013219
• sec(log(x+1)-sin(x))= 1+3/4!*x^4-30/5!*x^5+180/6!*x^6-1113/7!*x^7...at n=7A013220
• a(n) = -2^n*(E(n, 1/2) + E(n, 1) + (n mod 2)*2*(E(n+1, 1/2) + E(n+1, 1))), where E(n, x) are the Euler polynomials.at n=7A240559
• a(n) = -2^(2*n+1)*(E(2*n+1, 1/2) + E(2*n+1, 1) + 2*(E(2*n+2, 1/2) + E(2*n+2, 1))), where E(n,x) are the Euler polynomials.at n=3A241242
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood.at n=17A271280
• A Seidel matrix A(n,k) read by antidiagonals upwards.at n=37A323833