198440
domain: N
Appears in sequences
- a(n) = Sum_{k=0..7} binomial(n,k).at n=21A008860
- a(n) = Sum_{k=0..n} binomial(3*n,k).at n=7A066380
- Number of (binary) max-heaps on n elements from the set {0,1} containing exactly six 0's.at n=43A326507
- Number of labeled simple graphs with n vertices and at most n edges (not necessarily covering).at n=7A369192
- a(n) = number of subsets of {1,2,...,n} that contain more primes than nonprimes.at n=21A369780