-999
domain: Z
Appears in sequences
- a(n) = a(n-1) - 2*a(n-2) with a(0) = 2, a(1) = 1.at n=18A002249
- a(n) = 1 - n^3.at n=10A024001
- a(n) = 5^n - n^10.at n=2A024059
- a(n) = (-10)^n + 1 - 0^n.at n=3A103461
- Riordan array (1/(1+xc(-2x)), xc(-2x)/(1+xc(-2x))), c(x) the g.f. of A000108.at n=32A114189
- Expansion of (1-4x^2)/(1+3x+4x^2).at n=9A128415
- Polylogarithm li(-n,-1/1000) multiplied by (1001^(n+1))/1000.at n=2A213156
- Expansion of (1-q)^k/Product_{j=1..k} (1-q^j) for k=8.at n=39A275642
- Row sums of Riordan triangle A321198.at n=13A321199
- Product_{n>=1} (1 + a(n)*x^n) = 1 + x + Sum_{n>=2} prime(n-1)*x^n.at n=27A353606
- a(n) = Sum_{k=0..floor(n/5)} (-1)^k * binomial(n+4,5*k+4) * Catalan(k).at n=10A360051