-1025
domain: Z
Appears in sequences
- Expansion of g.f. (2*x^3 + 5) / ( -x^5 + x^3 + 1).at n=41A136598
- Partial sums of Berstel sequence (A007420).at n=15A178885
- a(n)=n^3-(n-1)^3-(n-2)^3-...-1.at n=9A179298
- Values of n such that L(5) and N(5) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=36A226925
- Values of n such that L(16) and N(16) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=6A227519
- Triangle T(n,k), read by rows: T(n,k) is the numerator of (1+2^(n-k+1))/(1-2^(k+1)).at n=45A228146
- Expansion of (1 + x - x^2)/((1 + x)*(1 + 2*x)).at n=11A248155
- Expansion of e.g.f. (1 + sin(x))/exp(x).at n=21A321632
- a(n) = Sum_{d divides n} (-1)^(d + n/d) * d^10.at n=1A321807
- Dirichlet inverse of function f(n) = 1 + A048675(n), where A048675(n) is fully additive with a(p) = 2^(1-PrimePi(p)).at n=30A359795
- Dirichlet inverse of A005941.at n=30A364574
- Expansion of (1 - x + x^4)/((1 - x + x^4)^2 + 4*x^5).at n=17A375291