30877

Appears in sequences

• Numerator of Euler(n, 7/18).at n=4A156652
• Numbers k for which rank of the elliptic curve y^2=x^3-k*x is 4.at n=21A309034
• Numbers that begin a run of consecutive integers k such that the denominator of the k-th harmonic number is lcm(1..k).at n=33A330680
• Expansion of (-1 + Product_{k>=1} 1 / (1 + (-x)^k))^7.at n=17A341246