401407

Properties

Appears in sequences

• Primes of the form 2^r*7^s - 1.at n=17A077314
• Integers n such that p = 4n + 1, q = 4p + 3, r = 4q + 5, s = 4r + 7 and t = 4s + 9 are all prime.at n=25A243528
• Primes p where q = p + 4 is also prime and rad((p+1)(p+2)(p+3)) < pq, where rad(k) is the largest squarefree number dividing k.at n=23A268350
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 369", based on the 5-celled von Neumann neighborhood.at n=19A287859
• Numbers k such that k and k+1 are both in A359747.at n=20A359748
• Prime numbersat n=33961