116279

Properties

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= n/3.at n=20A047193
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n+1)/3.at n=20A048038
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n+2)/3.at n=20A048071
• Frobenius number of the numerical semigroup generated by consecutive squares.at n=16A069756
• a(n) = C(n,7)-1.at n=14A124090
• Prime p such that sqrt(p+2) is semiprime (A001358).at n=32A257933
• Prime numbersat n=10987