-3968

Appears in sequences

• Expansion of e.g.f.: sinh(log(1 + sin(x))).at n=8A009567
• Expansion of Product_{k>=1} (1-x^k)^32.at n=3A010837
• Odd-indexed terms of the first binomial transform equals 1 and the even-indexed terms of the third binomial transform equals 1, with a(0)=1.at n=6A090336
• (1,1) entry of powers of the orthogonal design shown below.at n=7A090590
• Triangle of tanh numbers.at n=38A111593
• Triangle of coefficients of the polynomials (1 - x)^n*A(n,x/(1 - x)), where A(n,x) are the Eulerian polynomials of A008292.at n=39A141720
• a(n) = -(n - 4)*(n - 5)*(n - 12)/6.at n=30A167541
• A symmetrical triangle sequence: T(n, k) = q^k + q^(n-k) - q^n, with q=4.at n=24A176227
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of (A143182 in square format).at n=36A203992
• Triangle read by rows, T(n,k) = sum_{j=0..n} (-1)^(n+k+j) A(n,j)*C(j,n-k), A(n,j) the Eulerian numbers; n >= 0, k >= 0.at n=43A225678
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = e/2.at n=24A279591