34927200

Appears in sequences

• Denominator of B(2n)*H(2n)/n where B(k) is the k-th Bernoulli number and H(k) the k-th harmonic number.at n=5A083688
• Denominator of Sum_{k=0..n} 1/binomial(n,k)^2.at n=12A100517
• Smallest j associated with a(n) in A103277.at n=8A103278
• Magic products of 6 X 6 multiplicative magic squares.at n=8A113026
• Members of A025487 whose prime signature is self-conjugate (as a partition).at n=21A181825
• a(n) is the smallest k such that k = x_11 * x_12 * x_13 = x_21 * x_22 * x_23 = ... = x_n1 *x_n2 * x_n3 and x_11 + x_12 + x_13 = x_21 + x_22 + x_23 = ... = x_n1 + x_n2 + x_n3; x_ij >= 2.at n=8A339469
• Integers k such that A000010(k) <= A008480(k).at n=15A364750