-82
domain: Z
Appears in sequences
- Coefficients of the 3rd-order mock theta function f(q).at n=28A000025
- Let A(n) = #{(i,j): i^2 + j^2 <= n}, V(n) = Pi*n, P(n) = A(n) - V(n); A000099 gives values of n where |P(n)| sets a new record; sequence gives closest integer to P(A000099(n)).at n=49A000036
- Coefficient of q^(2n) in the series expansion of Ramanujan's mock theta function f(q).at n=14A000039
- arctan(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4-82/6!*x^6+3096/8!*x^8...at n=2A012435
- tanh(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4-82/6!*x^6+3096/8!*x^8...at n=2A012439
- Expansion of e.g.f. arctan(arcsinh(x) * log(x+1)).at n=6A012576
- Expansion of e.g.f. tanh(arcsinh(x) * log(x+1)).at n=6A012579
- Zeroth row of infinite Latin square heading to -oo.at n=35A019585
- a(n) = Sum_{k=1..n} (-1)^k*k*floor(n/k).at n=46A024919
- Expansion of eta(q)^2 * eta(q^2) * eta(q^4) * eta(q^8)^2 in powers of q.at n=58A030207
- 6th differences of primes.at n=29A036267
- 8th differences of primes.at n=4A036269
- a(n) = a(n-1) - a(n-3) with a(1)=0, a(2)=0, a(3)=1.at n=35A050935
- Second differences of sigma(n).at n=38A053223
- Second differences of sigma(n).at n=28A053223
- Coefficients of the '3rd-order' mock theta function nu(q).at n=31A053254
- Coefficients of the '10th-order' mock theta function chi(q).at n=54A053284
- Dirichlet inverse of sigma_4 function (A001159).at n=2A053826
- Sum_{d=1..n} phi(d)*mu(d).at n=33A054585
- Matrix inverse of triangle A055277(n+1,k).at n=37A055288