375769

Appears in sequences

• Crystal ball sequence for D_4 lattice.at n=17A007204
• Powers of a prime lucky number (A031157) but excluding lucky numbers (A000959).at n=35A057609
• Numbers n such that sigma(d(n^3))==d(sigma(n^2)), where d(n) is the number of divisors of n.at n=40A063797
• "Binary prime squares": squares whose binary expansions, read as decimal expansions, are primes.at n=22A108324
• Number of 2 X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=17A207025
• Number of quadruples (w,x,y,z) with all terms in {0,...,n} such that w-x, x-y, and y-z all have the same parity.at n=34A212893
• Prime powers (A025475) representable as (p+q)/2, where p and q are distinct prime powers.at n=34A225388
• Prime powers (A025475) such that the distance to the nearest square is a square.at n=13A239582
• Prime powers p^k such that p^k = x^3 + y^3 + z^3 where x, y, z are positive integers and k > 1, is soluble.at n=22A271829
• Squares that remain squares if you decrease them by 3 times a repunit with the same number of digits.at n=7A273230
• Numbers k such that concat(k, sigma(k)) and concat(sigma(k), k) are both prime.at n=9A284642
• Numbers k such that A206369(k) is prime.at n=44A383649