123805

Appears in sequences

• Triangle of (Gaussian) q-binomial coefficients for q=-19.at n=16A015144
• Triangle of (Gaussian) q-binomial coefficients for q=-19.at n=19A015144
• a(n) = T(n, 2*n-6), T given by A027960.at n=19A027968
• a(n) = n^4 - n^3 + n^2 - n + 1.at n=19A060884
• Sum of smallest parts (counted with multiplicity) of all partitions of n.at n=36A092309
• Numbers k such that k^3 divides 19^(k^2) + 1.at n=6A177819