-24

Appears in sequences

• Ramanujan's tau function (or Ramanujan numbers, or tau numbers).at n=1A000594
• Canonical enumeration of integers: interleaved positive and negative integers with zero prepended.at n=48A001057
• The negative integers.at n=23A001478
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^4 in powers of x.at n=66A001482
• a(n) = -n.at n=24A001489
• a(0) = 1, a(1) = 0, a(2) = -1; for n >= 3, a(n) = - a(n-2) + Sum_{ primes p with 3 <= p <= n} a(n-p).at n=23A002121
• Generalized sum of divisors function: excess of sum of odd divisors of n over sum of even divisors of n.at n=29A002129
• Generalized sum of divisors function: excess of sum of odd divisors of n over sum of even divisors of n.at n=45A002129
• High temperature series for spin-1/2 Heisenberg specific heat on 3-dimensional b.c.c. lattice.at n=2A002167
• q-expansion of modular form of weight 13/2: eta(8 tau)^12 * theta(tau).at n=16A002284
• Expansion of a modular function for Gamma_0(6).at n=3A002507
• Coefficients of a Dirichlet series.at n=45A002558
• Low temperature energy function for square lattice.at n=3A002909
• E.g.f. 1/(1 - sin(x) + sin(x)^2).at n=4A002969
• Magnetization series for face-centered cubic lattice.at n=11A003196
• Nearest integer to -4n/Bernoulli(2n).at n=7A003245
• Nearest integer to -4n/Bernoulli(2n).at n=1A003245
• a(n) = floor((-4n)/Bernoulli(2n)).at n=7A003264
• a(n) = floor((-4n)/Bernoulli(2n)).at n=1A003264
• a(n) = ceiling((-4n)/Bernoulli(2n)).at n=1A003272