526848
domain: N
Appears in sequences
- a(n) = Product_{m=1..n} (binomial(n,m)+1).at n=6A055612
- Number of subsets S of {1,2,3,...,n} with the property that if x is a member of S then at least one of x/2 and 2x is also a member of S.at n=39A172148
- Number of subsets S of {1,2,3,...,n} with the property that if x is a member of S then at least one of x/2 and 2x is also a member of S.at n=40A172148
- a(n) = n^3*(n+1)^3*(n+2)^3/72.at n=5A202109
- Integer areas of orthic triangles of integer-sided triangles.at n=27A230402
- a(n) = 2^(n-1)*(2^n+5).at n=10A256873
- Integers k such that A037278(k) is a term of A175252.at n=39A357692
- Nonprimes k such that sopfr(k) = rad(k), where sopfr(k) is sum of the prime factors of k (counting multiplicity), and rad(k) is the product of its distinct prime factors.at n=14A386916