80551

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 93 ones.at n=2A031861
• a(2*n+1) = 9*a(n), a(2*n+2) = 10*a(n) + a(n-1).at n=34A116555
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=6A155241
• Numbers k such that 5^k - 22 is prime.at n=11A378868