266240

Appears in sequences

• Numbers that are the sum of 2 nonzero 6th powers.at n=31A003358
• Sums of 2 distinct powers of 8.at n=19A038484
• Sums of two powers of 8.at n=25A055259
• a(n) = 4^n + 8^n.at n=6A063481
• a(n) = smallest k such that tau(k)= n*tau(k-1) where tau(k) = number of divisors of k, or 0 if no such number exists.at n=25A086551
• Numbers that can be represented as j^6 + k^6, with 0 < j < k, in exactly one way.at n=24A088677
• Numbers such that the digital sums in base 2, base 4 and base 8 are all equal.at n=11A135124
• Number of different equations that can be made by summing numbers from 1 to n and using every number not more than once.at n=15A161943
• a(n) = n*(n-3)*2^(n-2).at n=13A178987
• Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,4,1,0,1 for x=0,1,2,3,4.at n=5A197526
• Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,4,1,0,1 for x=0,1,2,3,4.at n=4A197527
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,4,1,0,1 for x=0,1,2,3,4.at n=49A197529
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,4,1,0,1 for x=0,1,2,3,4.at n=50A197529
• First occurrence of -n in A220115.at n=9A220118
• Numbers of the form m = 2^i + 2^j, where i > j >= 0, such that m - 1 is prime.at n=50A239708
• Expansion of x^3*(3*x - 2)/(2*x - 1)^3.at n=15A268586
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood.at n=20A286021
• Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of continued fraction 1/(1 - 2^k*x/(1 - 4^k*x/(1 - 6^k*x/(1 - 8^k*x/(1 - 10^k*x/(1 - ...)))))).at n=38A291260
• Heinz numbers of integer partitions whose length is 2/3 their sum.at n=33A348384
• a(n) = n^6 * Product_{p|n, p prime} (1 + 1/p^6).at n=7A351301