-24466267020
domain: Z
Appears in sequences
- Carlitz-Riordan q-Catalan numbers (recurrence version) for q = -1.at n=43A090192
- O.g.f. inverse of Catalan A000108 o.g.f.at n=22A115140
- Convolution of A115140 with itself.at n=22A115141
- a(n) = (-1)^n*Catalan(n).at n=21A168491
- Expansion of (-1 + 2*x + sqrt( 1 - 4*x^2)) / (2*x) in powers of x.at n=43A210628
- Convolution inverse of A001700.at n=22A246432