-4928
domain: Z
Appears in sequences
- sech(arctan(x)*log(x+1)) = 1 - 12/4!*x^4 + 60/5!*x^5 - 90/6!*x^6 + 420/7!*x^7...at n=8A012407
- McKay-Thompson series of class 15B for Monster.at n=47A058509
- Expansion of (1-x)/(1+2*x+2*x^2-2*x^3).at n=14A078067
- McKay-Thompson series of class 24f for the Monster group with a(0) = -2.at n=47A093067
- Expansion of (phi(-x) / phi(-x^3))^2 in powers of x where phi() is a Ramanujan theta function.at n=31A217771
- Sequence arising from study of multiplicative complexity of symmetric functions over a field with characteristic p.at n=29A250109
- 1-gonal pyramidal numbers.at n=31A254749
- Expansion of exp( Sum_{n>=1} -sigma(8*n)*x^n/n ) in powers of x.at n=27A283168
- Expansion of Product_{j>=1} (1 - x^j)/(1 - x^(4*j))^4.at n=41A286953
- a(n) = (32)^n*sin (nC - nA)/(6 sqrt(15)), where A, B, C are, respectively, the angles opposite sides BC, CA, AB in a triangle ABC having sidelengths |BC| = 2, |CA| = 3, |AB| = 4; ABC is the smallest integer-sided scalene triangle.at n=4A375895