28048800
domain: N
Appears in sequences
- a(n) = binomial coefficient C(n,9).at n=23A000582
- a(n) = binomial coefficient C(2n, n-7).at n=9A004313
- Binomial coefficient C(32,n).at n=9A010948
- Binomial coefficient C(32,n).at n=23A010948
- Binomial coefficient C(n,23).at n=9A010976
- a(n) = binomial(3*n+2, n-1).at n=9A013698
- Binomial coefficients C(2*n-8,9).at n=11A053131
- Binomial(max(n,R(n)),min(n,R(n))) where R(n) is the reversal of n.at n=22A071938
- a(n) = binomial(floor(n*sqrt(2)),n) for n>=0.at n=23A135964
- Triangle T read by rows: n-th row (n>=0) gives the non-vanishing coefficients of the polynomial q(n,x) = ((x+1)^(2^n) - (x-1)^(2^n))/2.at n=20A281122
- Triangle T read by rows: n-th row (n>=0) gives the non-vanishing coefficients of the polynomial q(n,x) = ((x+1)^(2^n) - (x-1)^(2^n))/2.at n=27A281122
- Number of ordered rooted binary trees with n leaves and with minimal Sackin tree balance index.at n=41A345135