-1767263190
domain: Z
Appears in sequences
- a(n) = mu(n) * Catalan(n).at n=19A062627
- Carlitz-Riordan q-Catalan numbers (recurrence version) for q = -1.at n=39A090192
- An inverse Chebyshev transform of 1-x.at n=37A099363
- Expansion of c(-x^2)(1+2x-sqrt(1+4x^2))/2, c(x) the g.f. of A000108.at n=38A106181
- Expansion of c(-x^2)(1+2x-sqrt(1+4x^2))/2, c(x) the g.f. of A000108.at n=39A106181
- O.g.f. inverse of Catalan A000108 o.g.f.at n=20A115140
- Convolution of A115140 with itself.at n=20A115141
- a(n) = (-1)^n*Catalan(n).at n=19A168491
- Expansion of (-1 + 2*x + sqrt( 1 - 4*x^2)) / (2*x) in powers of x.at n=39A210628
- Convolution inverse of A001700.at n=20A246432
- Dirichlet inverse of Catalan numbers, when started from A000108(1): 1, 2, 5, 14, 42, ...at n=18A349449