13495173120
domain: N
Appears in sequences
- Determinant of n X n matrix M(i,j) = binomial(2i-1,j), (i,j) ranging from 1 to n.at n=8A086229
- Triangle T, read by rows, where matrix power T^-2 has -2^(n+1) in the secondary diagonal: [T^-2](n+1,n) = -2^(n+1), with all 1's in the main diagonal and zeros elsewhere.at n=36A117265
- 8-idempotent numbers: a(n) = binomial(n+8,8)*8^n.at n=7A141054
- a(n) = binomial(n, k) * (n - k)^k where k = floor(n/2).at n=15A367274