65609
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = Sum_{i=1..n} Sum_{j=1..i} (prime(i)^2 - prime(j)^2).at n=13A062021
- Primes of the form 10*k^2 - 1.at n=14A143828
- Start with 1 and 5, then repeatedly adjoin the smallest number that is greater than the last term and not equal to the sum of a subset of the existing terms.at n=19A188793
- a(n) = 10*3^n - 1.at n=8A198645
- a(n) = 10*9^n-1.at n=4A198967
- Primes of the form 3^k + 3^m - 1, where k and m are positive integers.at n=24A234346
- Primes whose base-8 representation also is the base-3 representation of a prime.at n=15A235471
- Primes of the form m = 3^i + 3^j - 1, where i > j >= 0.at n=20A239713
- Primes of the form m = 9^i + 9^j - 1, where i > j >= 0.at n=3A239719
- Array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = (3/2)*(3^k - 1) + A265159(n,k), n,k >= 1.at n=42A265161
- Primes of the form 2^a * 3^b * 5^c - 1 for positive a, b, c.at n=43A293425
- a(n) = p(n^2*p(n)), where p(x) is the least prime > x.at n=40A378137
- Prime numbersat n=6553