142327
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Numbers k such that 51*2^k+1 is prime.at n=45A032375
- a(n) is the smallest prime such that a(1), ..., a(n-1) are squares mod a(n).at n=15A034698
- a(n) is square mod a(i), i < n.at n=29A034791
- Irregular primes the indices of whose indices are irregular primes of order two.at n=11A090887
- Numerator of the expected height of a random binary search tree (BST) with n elements.at n=13A374811
- Prime numbersat n=13212