126168

Appears in sequences

• If p and q are (odd) twin primes and q > p then p*q^2+(p+q)+1 is divisible by 3; a(n) = (p*q^2+(p+q)+1)/3.at n=7A164689
• Number of rooted binary leaf-multilabeled trees with n leaves on the label set [2].at n=10A220819
• p-INVERT of the squares (A000290), where p(S) = 1 - S^3.at n=10A292532
• Number of integer compositions of n whose leaders of weakly increasing runs are identical.at n=20A374631