747954

Appears in sequences

• a(n) = 2 * 3^(n-2)*n*(1+2*n).at n=9A062189
• Second binomial transform of C(n+2,2).at n=10A081892
• Minimal covering numbers.at n=86A160559
• Numbers k such that k, A001414(k) and A083345(k) are all multiples of 3, where A001414 is fully additive with a(p) = p, and A083345 is the numerator of the fully additive function with a(p) = 1/p.at n=6A373476