40351

Properties

Appears in sequences

• Primes p such that x^5 = 2 has a solution mod p, but x^(5^2) = 2 has no solution mod p.at n=27A070182
• Primes which can be partitioned into distinct factorials. 0! and 1! are not considered distinct.at n=11A089359
• Least prime factor of concatenation of first n odd numbers.at n=36A138965
• Primes obtained from other primes by taking the factorial of each digit and adding them up.at n=17A164767
• Second smallest prime after n!.at n=8A187874
• Primes of the form 6n^2 + 7.at n=33A201601
• Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1123.at n=6A239371
• Primes 6k + 1 at the end of the maximal gaps in A268925.at n=10A268927
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 473", based on the 5-celled von Neumann neighborhood.at n=37A272425
• Primes 6k + 1 at the end of first-occurrence gaps in A330853.at n=16A330855
• Irregular triangle read by rows: row n (n>=1) lists the primes of the form prime(n) + k! for k >= 0.at n=46A352912
• List of quadruples (a,b,c,d) with a^4 + b^4 = c^4 + d^4, a < c < d < b, a,b,c,d prime, listed in order of the largest term b.at n=4A366703
• a(n) = Sum_{k=1..n} sigma(n*k).at n=31A372710
• Prime numbersat n=4233