100947
domain: N
Appears in sequences
- Figurate numbers or binomial coefficients C(n,6).at n=23A000579
- Number of walks of length 2n+7 in the path graph P_8 from one end to the other.at n=7A005023
- Binomial coefficient C(23,n).at n=6A010939
- Binomial coefficient C(23,n).at n=17A010939
- a(n) = binomial(n,17).at n=6A010970
- a(n) = binomial(3*n+2, n-1).at n=6A013698
- Triangular array formed from odd elements to right of middle of rows of Pascal's triangle.at n=60A014475
- Binomial coefficients: C(n,k), 6 <= k <= n-6, sorted, duplicates removed.at n=24A024758
- a(n) = binomial(2*n+1, n-5).at n=6A030055
- T(n,6), array T as in A050186; a count of aperiodic binary words.at n=17A050191
- Binomial coefficients C(2*n-5,6).at n=8A053128
- a(n) is the product of the first n primes of the form 4k+3.at n=4A078586
- Square array read by antidiagonals: degree of the K(2,p)^q variety.at n=29A082635
- Expansion of x / ( (x-1)*(x^3 - 9*x^2 + 6*x - 1) ).at n=8A094256
- Number of compositions (ordered partitions) of the n-th prime into n nonnegative integers.at n=6A101810
- Triangle T(n,k) read by rows: (1/n) * C(2n+k,k-1) * C(n,k); n, k >= 1.at n=34A102537
- Triangle, read by rows, where T(n,k) = C(n*(n-1)/2-k*(k-1)/2+n-k+2, n-k).at n=21A107870
- Column 0 of triangle A107870; a(n) = C( n*(n-1)/2 + n+2, n).at n=6A107871
- a(n) = C(prime(n+2), prime(n)).at n=6A125550
- Coefficient of x^5 in (1-x-x^2)^(-n).at n=20A139798