-178
domain: Z
Appears in sequences
- Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^6 in powers of x.at n=21A001484
- Power series expansion of the Rogers-Ramanujan continued fraction 1+x/(1+x^2/(1+x^3/(1+x^4/(1+...)))).at n=68A003823
- tanh(tan(x)*sin(x))=2/2!*x^2+4/4!*x^4-178/6!*x^6-5336/8!*x^8...at n=3A009815
- Duplicate of A009815.at n=2A012371
- arctan(tanh(x)*sinh(x))=2/2!*x^2-4/4!*x^4-178/6!*x^6+5336/8!*x^8...at n=2A012693
- 10th differences of primes.at n=14A036271
- Row sums of signed triangle A064334.at n=8A064338
- Expansion of (1-x)/(1+x+2*x^2-2*x^3).at n=11A078048
- a(n) = sigma(n) - 4*phi(n).at n=60A079546
- Expansion of q * chi(-q) / chi(-q^5)^5 in powers of q where chi() is a Ramanujan theta function.at n=33A095813
- An Alexander sequence for the knot 9_44.at n=6A099458
- McKay-Thompson series of class 27e for the Monster group.at n=49A112168
- Expansion of a parametrization of Ramanujan's continued fraction.at n=68A124242
- Rounded first term of asymptotic approximation to A003823.at n=68A128664
- Expansion of f(q, q^3)^2 / (f(q, q^4) * f(q^2, q^3)) in powers of q where f(, ) is the Ramanujan general theta function.at n=34A138522
- Triangle read by rows, T[n,2i-1]=2T[n-1,i],T[n,2i]=2k-1-2T[n-1,i].at n=13A138583
- Expansion of phi(x^3) / psi(x) in powers of x where phi(), psi() are Ramanujan theta functions.at n=53A143066
- Polynomial expansion sequence : p(x)=1 + x - x^5 + x^9 + x^10.at n=45A143605
- Expansion of chi(-x^5) / chi(-x^2) in powers of x where chi() is a Ramanujan theta function.at n=51A145706
- Net increase in number of ON toothpicks at generation n in A151885.at n=25A151888