88687

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 89 ones.at n=0A031857
• Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.at n=3A264674
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.at n=39A264676
• Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.at n=5A264679
• Maximal number of root ancestral configurations among matching gene trees and species trees with n leaves.at n=27A355108