-6

Appears in sequences

• Coefficients of the 3rd-order mock theta function f(q).at n=8A000025
• 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=5A000036
• Coefficient of q^(2n) in the series expansion of Ramanujan's mock theta function f(q).at n=4A000039
• From von Staudt-Clausen representation of Bernoulli numbers: a(n) = Bernoulli(2n) + Sum_{(p-1)|2n} 1/p.at n=7A000146
• Nearest integer to tan n.at n=52A000209
• Nearest integer to tan n.at n=74A000209
• Nearest integer to tan n.at n=30A000209
• a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=14A000319
• Nearest integer to b(n), where b(n) = tan(b(n-1)), b(0) = 1.at n=14A000329
• a(n) = floor(tan(n)).at n=74A000503
• a(n) = floor(tan(n)).at n=96A000503
• Expansion of Product_{n>=1} (1-x^n)^5.at n=5A000728
• Expansion of Product_{k >= 1} (1 - x^k)^6.at n=1A000729
• Canonical enumeration of integers: interleaved positive and negative integers with zero prepended.at n=12A001057
• Expansion of e.g.f. exp(-x - (1/2)*x^2).at n=5A001464
• The negative integers.at n=5A001478
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^4 in powers of x.at n=20A001482
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^4 in powers of x.at n=36A001482
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^4 in powers of x.at n=8A001482
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^6 in powers of x.at n=1A001484