167587

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 53 ones.at n=31A031821
• Number of partitions of 1 into fractions i/j with 1<=i<j<=n and i,j coprime.at n=21A115855
• Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=17A253839
• Number of 2Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.at n=11A266102