121019

Properties

Appears in sequences

• Number of 6-ary search trees on n keys.at n=17A019500
• Primes arising in A036976.at n=21A036977
• Primes arising in A036978.at n=25A036979
• Primes in A059504.at n=25A109775
• Beginning with 3, least prime such that concatenation of first n terms and its digit reversal both are primes.at n=49A113584
• Lesser of twin primes such that both twin primes have no bases b, 1 < b < p-1, in which p is a palindrome.at n=19A138348
• List of primes p1 such that (p1,p2) are twin primes where both 2*p1+p2 and p1+2*p2 are primes.at n=34A174920
• Consecutive internal states of the linear congruential pseudo-random number generator (8121*s + 28411) mod 134456 when started at 1.at n=6A385461
• Prime numbersat n=11393