-2850
domain: Z
Appears in sequences
- Expansion of log(1+sinh(log(1+x))).at n=6A009345
- Determinant of the n X n matrix whose element (i,j) equals mu(|i-j|) where mu(k) is the moebius function for k > 0 and mu(0) = 0.at n=15A071085
- Expansion of psi(-x)^6 in powers of x where psi() is a Ramanujan theta function.at n=37A213791
- G.f.: 1 + Sum_{n=-oo..+oo, n<>0} (x - x^n)^n / (1 - (x - x^n)^n).at n=17A294677
- Expansion of Product_{k>=1} (1 - x^k)^A000593(k).at n=27A316366
- a(n) = Sum_{k=0..n} (-1)^k * binomial(n+2*k+2,n-k) * Catalan(k).at n=22A360058
- E.g.f. A(x) satisfies [x^n] A(x)^A003057(n) = 0 for n >= 2, where A003057 is "n appears n-1 times.".at n=6A377104