-9

Appears in sequences

• a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=23A000319
• Nearest integer to b(n), where b(n) = tan(b(n-1)), b(0) = 1.at n=23A000329
• Rao Uppuluri-Carpenter numbers (or complementary Bell numbers): e.g.f. = exp(1 - exp(x)).at n=6A000587
• Rao Uppuluri-Carpenter numbers (or complementary Bell numbers): e.g.f. = exp(1 - exp(x)).at n=7A000587
• Expansion of Product_{k >= 1} (1 - x^k)^4.at n=28A000727
• Expansion of bracket function.at n=3A000748
• Canonical enumeration of integers: interleaved positive and negative integers with zero prepended.at n=18A001057
• The negative integers.at n=8A001478
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^9 in powers of x.at n=1A001487
• a(n) = -n.at n=9A001489
• Coefficients in the expansion of B^2*C^3 in Watson's notation of page 118.at n=87A002300
• Liouville's function L(n) = partial sums of A008836.at n=81A002819
• Liouville's function L(n) = partial sums of A008836.at n=79A002819
• Liouville's function L(n) = partial sums of A008836.at n=83A002819
• a(n) = (3^n/n!) * Product_{k=0..n-1} (3*k - 2).at n=2A004989
• a(n) = (3^n/n!)*Product_{k=0..n-1} (3*k - 1).at n=2A004990
• G.f.: s(1)^3/s(3), where s(k) = eta(q^k) and eta(q) is Dedekind's function, cf. A010815.at n=49A005928
• Percolation series for hexagonal lattice.at n=7A006803
• From fundamental unit of Z[ (-d)^{1/4} ], where d runs over positive integers not of the form 4*k^4.at n=18A006828
• Expansion of e.g.f. (1 - x - x^2)^x.at n=3A007115