-2000
domain: Z
Appears in sequences
- a(n) = 2*a(n-1) - a(n-2) - a(n-4) with a(0) = a(1) = 0, a(2) = 1, a(3) = 2.at n=23A014292
- Totally multiplicative sequence with a(p) = 10*(p-3) for prime p.at n=45A167320
- Totally multiplicative sequence with a(p) = (p+2)*(p-3) = p^2-p-6 for prime p.at n=45A167359
- Totally multiplicative sequence with a(p) = (p-3)*(p+3) = p^2-9 for prime p.at n=39A167362
- A triangular sequence of polynomial coefficients:p(x,n)=Sum[Eulerian[n + 1, k]*Product[x + i, {i, 0, n - k + 1}]*(-x)^k, {k, 0, n}]/x.at n=29A174833
- Row sums of A060338.at n=7A214615
- G.f.: Product_{k>0} (1 - x^k)^4 * (1 - (-x)^k)^8.at n=16A225543
- Sequence arising from study of multiplicative complexity of symmetric functions over a field with characteristic p.at n=21A250109
- 1-gonal pyramidal numbers.at n=23A254749
- a(n) = Sum_{d|n} mu(d) * binomial(d + n/d - 2, d-1).at n=54A338656
- Column 2 of triangle A370041.at n=12A370155