100781

Appears in sequences

• Number of aperiodic necklaces (Lyndon words) with k<=6 black beads and n-k white beads.at n=39A277631
• a(n) is the smallest error in trying to solve n^5 = x^5 + y^5: for each n from 2 on, find positive integers x and y, x <= y < n such that |n^5 - x^5 - y^5| is minimal and let a(n) = n^5 - x^5 - y^5. In case of a tie, choose the solution with smallest y.at n=27A369855