77520
domain: N
Appears in sequences
- a(n) = binomial coefficient C(n,7).at n=13A000580
- Binomial coefficients C(2n,n-3).at n=7A002696
- 12-dimensional centered tetrahedral numbers.at n=7A008506
- Binomial coefficient C(20,n).at n=7A010936
- Binomial coefficient C(20,n).at n=13A010936
- a(n) = binomial(n,13).at n=7A010966
- Fibonacci sequence beginning 0, 30.at n=18A022364
- Number of compositions of n into 8 ordered relatively prime parts.at n=13A023033
- Binomial coefficients: C(n,k), 7 <= k <= n-7, sorted.at n=20A024751
- Binomial coefficients: C(n,k), 7 <= k <= n-7, sorted.at n=19A024751
- Binomial coefficients: C(n,k), 5 <= k <= n-5, sorted, duplicates removed.at n=38A024757
- Binomial coefficients: C(n,k), 6 <= k <= n-6, sorted, duplicates removed.at n=22A024758
- Binomial coefficients: C(n,k), 7 <= k <= n-7, sorted, duplicates removed.at n=11A024759
- a(n) = binomial(n, floor((n-5)/2)).at n=20A037953
- a(n) = binomial(n, floor((n-6)/2)).at n=20A037957
- T(n,7), array T as in A050186; a count of aperiodic binary words.at n=13A051192
- T(2n+6,n), array T as in A050186; a count of aperiodic binary words.at n=7A051199
- Binomial coefficients C(2*n-6,7).at n=6A053129
- Triangular array giving number of labeled digraphs on n unisolated nodes and k=0..n*(n-1) arcs.at n=37A054547
- Triangle T(n,k) of number of digraphs with a source and a sink on n labeled nodes and k arcs, k=0,1,..,n*(n-1).at n=37A057271