69149
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = least number not of form [ (a^2/n) ] + [ (b^2)/n ].at n=33A036575
- Lesser of twin balanced primes (A090403).at n=29A096694
- Number of permutations of length n which avoid the patterns 1243, 2341, 4321.at n=20A116825
- Primes p such that p+2, p*(p+2) + 12 and p*(p+2) + 14 are also prime.at n=10A130736
- Primes of the form 20*k^2 + 32*k + 13.at n=25A154414
- Prime numbersat n=6867