2991816

Appears in sequences

• Taxicab numbers that are sandwiched between squarefree numbers.at n=24A371602
• Taxicab numbers that are sandwiched between semiprimes.at n=5A372848
• a(n) = 3^(n-3)*(binomial(n,3) + 3*binomial(n,2) + 9*n + 27).at n=11A384198