529920
domain: N
Appears in sequences
- Theta series of laminated lattice LAMBDA_11^{max}.at n=11A006911
- Number of nonsquare divisors of n!.at n=25A056596
- triangle of conversion vectors/ coefficients between adjusted to be Integers: Hermite-like: p(x,n)=2*x*p(x,n-1)-n*p(x,n-1); and Chebyshev-like: q(x,n)=2*x*q(x,n-1)-q(x,n-1);.at n=48A136666
- Number of ways to choose n positive integers less than or equal to 2n such that none of the n integers divides another.at n=46A174094
- The number of sets of n positive integers strictly less than 2*n such that no integer in the set divides another.at n=47A192298
- Number of binary pattern classes in the (3,n)-rectangular grid: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=7A225827
- Number of binary pattern classes in the (7,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=3A225831
- Square array read by antidiagonals: a(m,n) is the number of binary pattern classes in the (m,n)-rectangular grid, two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=58A225910
- Square array read by antidiagonals: a(m,n) is the number of binary pattern classes in the (m,n)-rectangular grid, two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=62A225910
- a(n) = 2^(n-1)*(2^n+11).at n=10A256871