50321

Properties

Appears in sequences

• Cubes written in base 7.at n=22A004637
• Numbers k such that 31*2^k-1 is prime.at n=28A050541
• Primes followed by an [8,4,8]=[d,D-d,d] prime difference pattern of A001223.at n=17A052377
• Numbers where k-th digit from right is either 0 or k.at n=23A063013
• Second column of number triangle A110245.at n=51A110246
• A version of F. K. Hwang's sequence in {3*k, 3*k+1, 3*k+2}.at n=45A123945
• a(3n) = floor(43*2^n/28) - 1, a(3n+1) = a(3n) + 3*2^(n-3), a(3n+2) = floor(17*2^n/7 - 6/7) for n>=3.at n=45A123946
• Primes of the form a^a + b^b + c^c + d^d + e^e + f^f.at n=33A136294
• Primes p such that 2*p^4+-9 are also prime.at n=26A174365
• G.f.: A(x) = ...o x/(1-x^7) o x/(1-x^5) o x/(1-x^3) o x/(1-x), a composition of functions x/(1-x^(2*n-1)) for n=...3,2,1.at n=14A206721
• Numbers n such that A242719(n) = (prime(n))^2+1 and A242720(n) - A242719(n) = 2*(prime(n)+1).at n=39A246748
• Primes of form n^2 + 4096.at n=32A256836
• Pseudoprimes to base 6, written in base 6.at n=21A262103
• a(n) = (4*n^3 - 6*n^2 + 20*n + 3)/3.at n=34A322597
• Primes p such that, if q is the next prime, p^2 + q is a prime times a power of 10.at n=39A352852
• Prime numbersat n=5164