75499

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 87 ones.at n=4A031855
• a(n) is the smallest composite squarefree number k such that (p+n) | (k+1) for all primes dividing k.at n=21A274446
• Total number of nodes summed over all self-avoiding planar walks starting at (0,0), ending at (n,0), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1) with the restriction that (0,1) is never used below the diagonal and (1,0) is never used above the diagonal.at n=6A284231