-602
domain: Z
Appears in sequences
- 9th differences of primes.at n=30A036270
- Convolution of A073145 with A056594.at n=27A075419
- Expansion of 1 / (1 + x^2 - x^3) in powers of x.at n=36A077961
- Expansion of 1/(1+x^2+x^3).at n=36A077962
- Expansion of (1-x)/(1-2*x+x^2+x^3).at n=18A078001
- G.f.: Product_{k>0} (1-x^(2k-1))/(1-x^(2k)).at n=27A106507
- A triangular sequence of polynomial coefficients of an adjusted root product one polynomial set: w(i,n)=If[i == 1, 1/n!, i]; p(x,n)=n!*Product[x - w[i, n], {i, 0, n}]/x.at n=11A142148
- Numerator of Euler(n,1/3).at n=6A156179
- a(0)=1; thereafter a(n) = -2*Sum_{k=1..n} binomial(2n,2k)*a(n-k).at n=3A210657
- a(n) = Sum_{k=0..n} k^p*q^k for p = 2 and q = -2.at n=5A232601
- G.f.: x^((k^2+k)/2)/(mul(1-x^i,i=1..k)*mul(1+x^r,r=1..oo)) with k = 3.at n=71A246582
- Difference between sums of quadratic residues and non-residues modulo n that are coprime to n.at n=55A255643
- G.f.: Re((i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1).at n=48A278399