-1128
domain: Z
Appears in sequences
- McKay-Thompson series of class 6c for Monster.at n=10A007262
- Expansion of Product_{m>=1} (1 - m*q^m)^4.at n=13A022664
- Alternating sum of squares to n.at n=46A089594
- Sequence is {a(3,n)}, where a(m,n) is defined at sequence A110665.at n=47A110668
- a(n) = mu(n) * A000217(n).at n=46A125287
- Expansion of (f(x) / f(x^3))^6 in powers of x where f() is a Ramanujan theta function.at n=10A132107
- Expansion of g.f. (2*x^3 + 5) / ( -x^5 + x^3 + 1).at n=47A136598
- G.f.: q-Cosh(x,q)^2 - q-Sinh(x,q)^2 at q=-x.at n=46A198199
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 390", based on the 5-celled von Neumann neighborhood.at n=47A271601
- a(1) = 1; a(n) = -(1/2) * Sum_{d|n, d > 1} d * (d + 1) * a(n/d).at n=46A334879
- a(n) = A353750(n) - A353749(n).at n=56A353757