34439

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 7x + 6.at n=33A023290
• Number of inequivalent binary [ n,3 ] codes of dimension <= 3 without zero columns.at n=35A034337
• Least prime in A031936 (lesser of 18-twins) whose distance to the next 18-twin is 2*n.at n=31A052358
• Numbers p such that p = (prime(n)+ prime(n+3))/2 is prime for prime indices n=2, 3, 5...at n=31A098039
• Number of partitions of n such that the largest part and the smallest part are relatively prime.at n=39A117087
• a(n) = n*(n^2 - 1)/2 - 1.at n=39A117560
• a(n) is n-th prime == -1 (mod 6n).at n=40A138905
• Sophie Germain primes in A154939.at n=26A154941
• Expansion of 1/((1-x)^2*sqrt(1-4x/(1-x)^4)).at n=6A162480
• Smallest primes p = p(k) with (p(k)+p(k+1)+p(k+2))/15 an integer.at n=33A168556
• Primes p such that 3*p+2, 5*p+4 and 7*p+6 are also prime.at n=35A173876
• Primes having only {3, 4, 9} as digits.at n=28A199349
• Primes of the form 5n^2 - 6.at n=7A201787
• Number of arrays of median of three adjacent elements of some length 6 0..n array, with no adjacent equal elements in the latter.at n=13A229014
• a(n) is a prime number that cannot be the center term of a length 3 arithmetic progression prime group with a common difference whose number of runs in binary expansion is 2.at n=34A231387
• Expansion of Product_{n>=1} (1 - x^(5*n))/(1 - x^n)^4 in powers of x.at n=12A278680
• Primes that can be generated by the concatenation in base 2, in ascending order, of two consecutive integers read in base 10.at n=24A287018
• Primes that can be generated by the concatenation in base 4, in ascending order, of two consecutive integers read in base 10.at n=21A287302
• Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.at n=12A298722
• Total number of binary digits in all partitions of n into distinct parts.at n=44A319140