31771

Properties

Appears in sequences

• Primes with record values of the least positive prime primitive root.at n=9A029932
• First member of a prime quadruple in a 2p-1 progression.at n=17A057327
• Let p = n-th prime, then a(n) = smallest prime having p as its least prime primitive root.at n=27A084739
• Number of noncongruent n-dimensional integer-sided simplices with diameter 4.at n=5A097129
• Primes p such that p's set of distinct digits is {1,3,7}.at n=23A108382
• Smallest primes starting a complete three iterations Cunningham chain of the second kind.at n=10A110024
• Smallest primes starting a complete three iterations Cunningham chain of the first or second kind.at n=27A110025
• Primes p such that the multiplicative order of 2 modulo p is (p-1)/9.at n=21A152309
• Number of binary strings of length n with no substrings equal to 0000 0101 or 1011.at n=15A164435
• Lexicographically largest increasing sequence of primes for which the continued square root map (see A257574) produces Pi.at n=23A257582
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 283", based on the 5-celled von Neumann neighborhood.at n=35A271119
• Numbers k such that (47*10^k + 133)/9 is prime.at n=22A285379
• Number T(n,k) of permutations p of [n] such that k is the maximum of the partial sums of the signed up-down jump sequence of 0,p; triangle T(n,k), k>=0, k<=n<=k*(k+1)/2, read by columns.at n=35A316293
• Numbers p such that p, 2p-1, 3p-2, 4p-3 are primes.at n=12A336059
• Primes p such that exactly four numbers among all circular permutations of the digits of p are prime.at n=29A344628
• Prime numbersat n=3417