-122
domain: Z
Appears in sequences
- Coefficients of the '2nd-order' mock theta function mu(q).at n=41A006306
- Expansion of e.g.f.: exp(tanh(x)+sin(x))=1+2*x+4/2!*x^2+5/3!*x^3-8/4!*x^4-71/5!*x^5...at n=6A013129
- exp(cos(x)-cosh(x))=1-2/2!*x^2+12/4!*x^4-122/6!*x^6+1792/8!*x^8...at n=3A013469
- 8th differences of primes.at n=1A036269
- Coefficients of the '3rd-order' mock theta function nu(q).at n=35A053254
- Dirichlet inverse of sigma_2 function (A001157).at n=10A053822
- Sum_{d=1..n} phi(d)*mu(d).at n=51A054585
- Sum_{d=1..n} phi(d)*mu(d).at n=52A054585
- Expansion of square of continued fraction 1/ ( 1+q/ ( 1+q^2/ ( 1+q^3/ ( 1+q^4/... )))).at n=39A055101
- Numbers k such that 36*k^2 + 12*k + 7 is prime (sorted by absolute values with negatives before positives).at n=40A056910
- McKay-Thompson series of class 20c for Monster.at n=42A058558
- McKay-Thompson series of class 30c for Monster.at n=49A058624
- Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=24A060024
- Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 8.at n=27A060027
- a(n) = 2*n*mu(n).at n=60A062004
- a(n+1) = a(n) - a(floor(n/2)), with a(0)=0, a(1)=1.at n=37A062187
- McKay-Thompson series of class 18D for the Monster group.at n=52A062242
- McKay-Thompson series of class 36B for the Monster group.at n=52A062244
- Expansion of Product_{k>=1} (1 - 2x^k).at n=42A070877
- Expansion of x/B(x) where B(x) is the g.f. for A002487.at n=62A073469