44623

Properties

Appears in sequences

• Primes of the form 666*n + 1.at n=23A037029
• Numbers k such that k^2 contains only digits {1,2,9}.at n=7A053888
• Primes p(k) such that the product of digits of p(k) equals the product of digits of k.at n=27A066521
• Primes associated with groups in A076077.at n=40A076076
• Sum of GCD's of parts in all partitions of n.at n=40A078392
• Upper twin primes of upper twin prime index.at n=28A088463
• Primes p such that p^k is zeroless for k=0,...,5.at n=23A253645
• Number of nX6 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.at n=3A266129
• T(n,k) = Number of n X k integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.at n=39A266131
• Number of 4Xn integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.at n=5A266134
• a(n) is the smallest prime p such that there is a multiplicative subgroup H of Z/pZ, of odd size and of index 2n, such that for any two cosets H1 and H2 of H, H1 + H2 contains all of (Z/pZ)\0.at n=36A282001
• Greater of twin self primes, i.e., larger member of the pair of self primes differing by 2.at n=5A380715
• Twin primes p such that 6p+1, 6p-1 is a twin prime pair.at n=39A386724
• Prime numbersat n=4638