-485

Appears in sequences

• From fundamental unit of Z[ (-d)^{1/4} ], where d runs over positive integers not of the form 4*k^4.at n=7A006828
• McKay-Thompson series of class 30a for Monster.at n=18A058619
• a(n)= Sum_{j=0..floor(n/2)} A073145(2*j + q), where q = 2*(n/2 - floor(n/2)).at n=21A074585
• Expansion of g.f. (1-x)(x^2-5x+3)/(x^4-6x^3+13x^2-6x+1).at n=5A105660
• Triangle T(n, k) = k^4 - n^4 + 2*k*n*(1 - k^2*n^2), read by rows.at n=8A123963
• a(n) = cos(2*n*arcsin(sqrt(3))) = (-1)^n*cosh(2*n*arcsinh(sqrt(2))).at n=3A146311
• Numerator of Hermite(n, 1/18).at n=3A159545
• Hankel transform of A191529.at n=39A283436
• Product_{n>=1} (1 + x^n)^a(n) = g.f. of A000293 (solid partitions).at n=17A305842
• Inverse binomial transform of the continued fraction expansion of e.at n=10A306810
• Square array A(n,k), n >= 0, k >= 1, read by antidiagonals, where column k is the expansion of g.f. ((1-x)^(k-4))/((1-x)^k+x^k).at n=75A307394
• Expansion of 1/((1 - x) * ((1 - x)^3 + x^3)).at n=9A307395
• First term of n-th difference sequence of (floor(r*k)), r = log(2), k >= 0.at n=12A325751
• a(n) = n - 2^(sum of digits of n).at n=27A328882
• Values z of primitive solutions (x, y, z) to the Diophantine equation 2*x^3 + 2*y^3 + z^3 = 1.at n=19A338239