1464320
domain: N
Appears in sequences
- Number of points of L1 norm 2n in root system version of E_8 lattice.at n=13A010369
- Number of walks between adjacent nodes on C_5 tensor J_2.at n=12A101501
- Inverse of number triangle A128412.at n=37A128413
- Number triangle T(n,k) = 2^(n-k)*C(2*n,n-k).at n=37A128417
- If X_1,...,X_n is a partition of a 2n-set X into 2-blocks then a(n) is equal to the number of 7-subsets of X containing none of X_i, (i=1,...n).at n=9A130813
- a(n) = binomial(n+9,9)*2^n.at n=7A140354
- 9-quantum transitions in systems of N >= 9 spin 1/2 particles, in columns by combination indices.at n=16A213351
- a(n) = 2^n*binomial(2*(n+1), n).at n=7A245391
- Expansion of sqrt(8*x + sqrt(1 + 64*x^2)).at n=9A261196
- Numbers k such that A048675(sigma(k)) is equal to A048675(2*k).at n=30A331751