208849
domain: N
Appears in sequences
- Squares of primes, with property that all even digits occur together and all odd digits occur together.at n=16A030481
- Square elements of A046949.at n=10A046950
- sigma(n)-n is a perfect square associated with A049226.at n=26A049228
- Composite numbers k such that the sum of the divisors of k^2 is a prime.at n=35A065405
- Squares sandwiched between two numbers divisible by squares.at n=30A088068
- Squares of the form 5p - 6, where p is prime.at n=24A110481
- Number of nX5 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.at n=7A207120
- Prime powers (A025475) representable as (p+q)/2, where p and q are distinct prime powers.at n=31A225388
- The least k for which A335884(k) = n.at n=16A335883
- Numbers k such that A206369(k) is prime.at n=38A383649
- Powers p^m, with prime p and m > 1, such that neither p^m-1 nor p^m+1 are squarefree.at n=25A389960