-1253
domain: Z
Appears in sequences
- McKay-Thompson series of class 30G for the Monster group.at n=51A058618
- Number of labeled trees with n nodes and even number of leaves minus number of labeled trees with n nodes and odd number of leaves.at n=5A090347
- Expansion of q^(-1) * chi(-q)^2 * chi(-q^15)^2 / (chi(-q^3) * chi(-q^5)) in powers of q where chi() is a Ramanujan theta function.at n=51A133098
- McKay-Thompson series of class 30G for the Monster group with a(0) = -1.at n=51A135213
- Expansion of (1 - 2*x^3 - x^4 - 2*x^5 - x^6 - x^7 - x^8 + 2*x^9)/(1 + x - x^3 - x^4 - x^5 - x^6 - x^7 + x^9 + x^10).at n=50A143335
- Expansion of f(-q^6) * f(-q^10) / (f(q) * f(q^15)) in powers of q where f() is a Ramanujan theta function.at n=25A145728
- Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of {(i+j)*min(i,j)} (A203990).at n=17A203991
- Coefficient of x in minimal polynomial of the continued fraction [1^n,4,1,1,1,...], where 1^n means n ones.at n=5A265803
- L.g.f.: Sum_{n>=1} (x - x^(2*n-1))^(2*n-1) / (2*n-1).at n=28A293597
- Expansion of Product_{k>=1} 1/(1 - x^k/(1 + x)^k).at n=13A320590