66048

Appears in sequences

• Numbers that are the sum of 3 nonzero 8th powers.at n=12A003381
• Numbers that are the sum of at most 3 nonzero 8th powers.at n=25A004876
• Numbers that are the sum of at most 4 nonzero 8th powers.at n=42A004877
• Numbers n such that n + product of prime factors of n = (n+1) + product of prime factors of (n+1).at n=5A075655
• Expansion of e.g.f. x*exp(3*x)*cosh(x).at n=8A082134
• Numbers k such that A007947(k) = A007947(m+1) and A007947(m) = A007947(k+1), where k > m.at n=9A088966
• Numbers n such that n, n+1, n+2, n+3, n+4 are all of the form x^2+2*y^2 for nonnegative x, y.at n=34A096783
• Number of binary pattern classes in the (2,n)-rectangular grid; two patterns are in same class if one of them can be obtained by reflection or rotation of the other one.at n=8A132390
• a(n) = 4a(n-1) - 6a(n-2) + 4a(n-3), n > 3; a(0) = 3, a(1) = 2, a(2) = a(3) = 0.at n=16A133209
• Boundary area of the T-square fractal.at n=8A158494
• a(n) = Sum_{d|n} phi(n/d)^2*2^d.at n=16A160620
• a(n) = n^10*(n^7 + 1)/2.at n=2A170799
• Binary XOR of 5^k as k varies from 0 to n.at n=7A199399
• Number of -1..1 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having two or four distinct values for every i,j,k<=n.at n=14A211525
• Number of cards required to build a Menger sponge of level n in origami.at n=3A212596
• Number of binary pattern classes in the (2,n)-rectangular grid: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=9A225826
• Number of binary pattern classes in the (9,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=2A225833
• a(n) = 2^x+2^y where p(n) is the n-th prime of the form 4*k+1 and x, y is the unique integer solution to p(n) = x^2+y^2.at n=31A226640
• Numbers of the form m = 2^i + 2^j, where i > j >= 0, such that m - 1 is prime.at n=42A239708
• a(n) = 4^n + 2^(n+1).at n=8A242985