30992
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 22.at n=15A031700
- Denominators of continued fraction convergents to sqrt(741).at n=7A042427
- Expansion of (1-x)/(1-2*x-2*x^3).at n=13A077999
- a(2*n) equals coefficient of x^n in A(x)^(n+1) and a(2*n+1) equals coefficient of x^n in A(x)^(n+2), for n>=0.at n=14A094557
- a(n) = 64*n^2 + 16.at n=21A157912
- a(n) = 484*n^2 + 2*n.at n=7A158325
- a(n) = 256*n^2 + 16.at n=11A158574
- Polynomial expansion of p(x)=1/(1 - 3 x + 2 x^2 + 2 x^3 - 4 x^4 + 4 x^5 - 2 x^6 - 2 x^7 + 3 x^8 - x^9 - x^17 + 3 x^18 - 2 x^19 - 2 x^20 + 4 x^21 - 4 x^22 + 2 x^23 + 2 x^24 - 3 x^25 + x^26).at n=43A164787
- a(n) = 121*n^2 + n.at n=15A173267
- Number of (w,x,y,z) with all terms in {0,...,n} and distinct consecutive gap sizes.at n=13A212900
- Expansion of g/(2 - g^2), where g = 1+x*g^2 is the g.f. of A000108.at n=7A391459