1048578

Appears in sequences

• Numbers that are the sum of 3 nonzero 10th powers.at n=10A004803
• Numbers that are the sum of at most 3 nonzero 10th powers.at n=22A004898
• a(n) = 2^n + 2.at n=20A052548
• Number of elements in the continued fraction for Sum_{k=0..n} 1/2^2^k.at n=21A056469
• a(n) = (2^(n-1) + prime(n+1)-prime(n))/2.at n=21A085431
• a(n) = A089709(n+1)/A089709(n).at n=20A089985
• Number of ways of 3-coloring an annulus consisting of n zones joined like a pearl necklace.at n=19A092297
• a(0) = 2, a(n) = 2^n + 2 for n>=1.at n=20A133140
• Binomial transform of [1, 5, -1, 5, -1, 5, ...]. Inverse binomial transform of A134350.at n=19A134351
• a(n) = smallest number that leads to a new cycle under the base-4 Kaprekar map of A165012.at n=22A165029
• Sequence defined by a(0)=a(1)=a(2)=1, a(3)=2, a(4)=6 and the formula a(n)=2^(n-2)+2 for n>=5.at n=22A174316
• a(n) = 4^(n-1) + 2: Number of acute angles after n iterations of the Koch snowflake construction.at n=10A178789
• 1/4 the number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences.at n=38A209722
• 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=37A226640
• Numbers that can be represented as both a^x + x and b^y + b, for some a, b, x, y > 1.at n=21A253914
• Interleave 2^n + 2 and 2^n + 1.at n=38A261723
• a(0) = 3, a(n+1) = 2*a(n) + periodic sequence of length 2: repeat [-5, 4].at n=20A280293
• a(n) is the smallest n-bit number having the most common prime signature among n-bit numbers. (In case more than one prime signature is tied for most common, choose the smallest n-bit number whose prime signature is one of those tied.)at n=20A342172