37737

Appears in sequences

• Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 6 sites wide.at n=41A058367
• Numbers n with property that every digit is a prime factor of n.at n=39A062239
• Number of (3+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=27A258556
• Choose two different numbers x and y from 2 to 9. a(n) is the number that consists solely of the digits x or y and is the smallest number divisible by both of them.at n=14A380568
• Integers k such that 511*2^k - 1 is prime.at n=39A387925
• a(n) is the smallest positive integer k which has the same set of digits as n, and k is divisible by each nonzero digit of n, or -1 if no such number exists.at n=36A390761