55189

Appears in sequences

• a(n) = ceiling(2^(n+1)/n).at n=18A053639
• Numbers n such that the sum of composites from the smallest prime factor of n to the largest prime factor of n is equal to the sum of squarefree numbers from the smallest prime factor of n to the largest prime factor of n.at n=7A074255
• Signed partitions of n into n parts in {-n..n}\{0}.at n=8A211474
• Smooth necklaces with 4 colors.at n=13A215329
• Number of (n+4) X 10 0..2 matrices with each 5 X 5 subblock idempotent.at n=7A224623
• Numbers m such that m - 3 divides m^m + 3.at n=26A252041
• Sequence of pairwise relatively prime numbers of class P_7 (see comment in A275246).at n=25A275252
• Partial sums of A033617.at n=48A299903