74699

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of the function f(x) = 2*x + 1.at n=32A023272
• Number of partitions satisfying cn(0,5) <= cn(1,5) + cn(4,5) + cn(2,5) + cn(3,5).at n=43A039849
• Second term p(m) of strong prime sextets: p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3).at n=23A054814
• Third term of strong prime sextets: p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2).at n=22A054815
• Primes starting a Cunningham chain of the first kind of length 4.at n=22A059763
• Primes of the form 4*k-1 such that 8*k-1, 16*k-1 and 32*k-1 are also primes.at n=11A101795
• Primes p such that 2p+1, 4p+3, 6p+5, 8p+7 are all primes.at n=5A107021
• Number of subwords of type dh^ju (j>=1), where u=(1,1), h=(1,0), and d=(1,-1), in all peakless Motzkin paths of length n (can be easily expressed using RNA secondary structure terminology).at n=17A190163
• Primes p such that 16*p^2 + 10*p + 1 divides 2^p - 1.at n=26A231916
• Number of partitions p of n that do not include (min(p) + max(p))/2 as a part.at n=44A238481
• Primes p such that 2*p^3 + 1 and 2*p^3 + 3 are also primes.at n=38A252042
• Initial primes of 5 consecutive primes with consecutive gaps 8,6,4,2.at n=9A289907
• Primes p such that p + 8, p + 14, p + 18 and p + 20 are also primes.at n=19A385035
• Prime numbersat n=7364