254279

Properties

Appears in sequences

• Number of unlabeled connected loop-less graphs on n nodes containing exactly one cycle (of length at least 2) and with all nodes of degree <= 4.at n=15A002094
• Primes that remain prime through 4 iterations of function f(x) = 2x + 1.at n=14A023302
• Primes of the form 4*k-1 such that 8*k-1, 16*k-1 and 32*k-1 are also primes.at n=28A101795
• Primes of the form 8*k-1 such that 4*k-1, 16*k-1 and 32*k-1 are also primes.at n=21A101796
• Primes of the form 4*k-1 such that 8*k-1, 16*k-1, 32*k-1 and 64*k-1 are also primes.at n=5A101995
• Primes of the form 8*k-1 such that 4*k-1, 16*k-1, 32*k-1 and 64*k-1 are also primes.at n=4A101996
• Primes p such that 2p+1, 4p+3, 6p+5, 8p+7 are all primes.at n=15A107021
• Prime numbersat n=22383