-4584

Appears in sequences

• A Chebyshev transform of the Padovan-Jacobsthal numbers.at n=25A099492
• Triangle T(n,k), n>=1, 0<=k<=n*(n+1)/2, read by rows: row n gives the coefficients of the chromatic polynomial of the n X n X n triangular grid, highest powers first.at n=20A193283