24986
domain: N
Appears in sequences
- a(n) = ( a(n-1)*a(n-7) + a(n-4)^2 ) / a(n-8); a(0) = ... = a(7) = 1.at n=21A018896
- Number of singular points on n-th order Chmutov surface.at n=39A057870
- Expansion of (1+x^2)*(1+x^5)*(1+x^8)/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)*(1-x^5)*(1-x^6)*(1-x^7)*(1-x^8)*(1-x^9)*(1-x^10)).at n=35A069950
- a(n) = smallest k such that the digit sum of 8k is n.at n=43A077495
- Number of partitions of n into at least two parts such that the product of largest and smallest part does not exceed n.at n=38A116901
- Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,1,2,0,0,0,2 for x=0,1,2,3,4,5,6.at n=4A203112
- Number of partitions of n such that the multiplicity of the greatest part is a part.at n=39A240494
- a(n) = 26*n^2.at n=31A244633
- Numbers k such that card({x|sigma(x)=k}) > 1 and (Sum_{sigma(x)=k} x) < k.at n=31A258931
- p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = 1 - 2 S - 2 S^2.at n=9A291036
- Number of compositions of n with all adjacent parts (x,y) satisfying x < 2y and y < 2x.at n=31A342330
- Expansion of 1/( 1 - Sum_{k>=0} x^(4^k) / (1 - x^(4^k)) ).at n=15A382372
- Number of cuboids (rectangular prisms) that can be formed from the points of Z^3 (a cubical grid of n X n X n points).at n=6A385023