-1810

Appears in sequences

• McKay-Thompson series of class 30a for Monster.at n=24A058619
• Expansion of (9*phi(q)*phi(q^3)^5 - phi(q)^5*phi(q^3))/8 in powers of q where phi(q) is a Ramanujan theta function.at n=38A113261
• Expansion of (1/3) * b(q) * b(q^2) * c(q)^2 / c(q^2) in powers of q where b(), c() are cubic AGM functions.at n=38A132000
• Expansion of eta(q)^5 * eta(q^3) * eta(q^6)^4 / eta(q^2)^4 in powers of q.at n=37A214262
• a(n) = Sum_{d divides n} (-1)^(d + n/d) * d^2.at n=37A321558
• Minimal determinant of an n X n Toeplitz matrix using the integers 1 to 2*n - 1.at n=4A350930
• a(n) is the minimal determinant of an n X n Hankel matrix using the integers 1 to 2*n - 1.at n=4A368351