-1904
domain: Z
Appears in sequences
- Expansion of log(1+sin(sinh(x))).at n=8A009328
- Expansion of tanh(sin(x))*cos(x).at n=3A009793
- a(n) = 12^n - n^11.at n=2A024151
- Determinant of the n X n matrix whose element (i,j) equals the |i-j|-th composite number, or 0 if i=j.at n=4A071081
- a(n) = (n-1)*(n+3) - 2^n + 4.at n=11A071099
- Expansion of 1/(1-2*x+2*x^2+2*x^3).at n=12A077945
- Expansion of 1/(1+2*x+2*x^2-2*x^3).at n=12A077991
- Expansion of (1-x)/(1-2x+6x^2).at n=9A138229
- Expansion of Product_{k>=1} (1 - k*x^k)^k.at n=13A266964
- Expansion of Product_{k>=1} (1 + x^(3*k))^(3*k) / (1 + x^k)^k.at n=29A285294
- Irregular triangular array read by rows: row n shows the coefficients of this polynomial of degree n: (1/n!)*(numerator of n-th derivative of (1-x)/(x^2-3x+1)).at n=38A328646
- Dirichlet inverse of A011782, 2^(n-1).at n=11A349452
- a(n) = coefficient of x^(2*n) in A(x) = 1 + Sum_{n>=1} (-1)^n * x^(4*n^2) * (F(x/2)^(2*n) + F(-x/2)^(2*n)), where F(x) is the g.f. of A357787.at n=14A357806
- Dirichlet g.f.: zeta(s-2)^2 * (1 - 2^(3-s)) / zeta(s).at n=23A368929