45569

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 17.at n=22A031605
• Numbers n such that n, 2n+1, 3n+2, 4n+3 are primes.at n=18A067257
• Numbers n such that n, 2n+1, 3n+2, 4n+3, 5n+4 are primes.at n=4A067258
• Primes of the form 512*k+1.at n=17A076339
• Primes p such that 2*p+1 and ((2*p+1)^2 + 1)/2 = p^2 + (p+1)^2 are primes.at n=44A098717
• Primes of the form 1024n + 513.at n=8A105132
• Number of binary strings of length n with no substrings equal to 0011 0101 or 0110.at n=19A164503
• Fajtlowicz p-primes.at n=44A185955
• Number of 5-element nondividing subsets of {1, 2, ..., n}.at n=30A187492
• Primes of the form 256*k + 1.at n=34A208178
• Primes that can be generated by the concatenation in base 6, in descending order, of two consecutive integers read in base 10.at n=27A287307
• Primes having only {4, 5, 6, 9} as digits.at n=28A386189
• Prime numbersat n=4724