29881

Properties

Appears in sequences

• Truncated octahedral numbers: 16*n^3 - 33*n^2 + 24*n - 6.at n=12A005910
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 92 ones.at n=29A031860
• Numbers n such that (23^n+1)/24 is a prime.at n=7A057189
• a(n) = numerator(b(n)), where b(1) = b(2) = 1, b(n) = (b(n-1) + b(n-2))/(n-1).at n=14A069943
• Primes for which the five closest primes are smaller.at n=17A075037
• prime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8*k))/k) = m with m = 10.at n=31A109564
• Beginning with 3, least prime such that concatenation of first n terms and its digit reversal both are primes.at n=16A113584
• List of primes generated by factoring successive integers in Sylvester's sequence (A000058).at n=11A126263
• Primes p such that q-p = 36, where q is the next prime after p.at n=11A134117
• a(0)=1; for n>=1, a(n) = the largest prime dividing n*a(n-1) + 1.at n=13A134486
• Prime numbers p such that p^3 - (p-1)^2 and p^3 + (p-1)^2 are also primes.at n=33A137474
• Least prime of three consecutive primes (p1,p2,p3) such that p2-p1 and p3-p2 are both perfect squares.at n=5A161002
• Primes of form n^2 + 10000.at n=25A256838
• a(n) = denominator of 1/(1 + 1/(1 + 2/(1 + ... (1 + n)))).at n=12A289491
• Numbers k such that -3 is a quadratic residue (not necessarily coprime) modulo k, k + 1, k + 2 and k + 3.at n=17A318527
• Smallest prime divisor of A000058(n) = A007018(n) + 1 (Sylvester's sequence).at n=7A323605
• a(n) is the first prime p such that the sum of 2*n consecutive primes starting at p is q*(q+1) where q is prime, or 0 if there is no such p.at n=21A338989
• a(n) is the first prime p such that each of the first n primes divides at least one of the composites between p and the next prime, but prime(n+1) does not divide any of these.at n=20A341640
• Primes p such that if q is the next prime, p+A004086(q) and q+A004086(p) are prime.at n=41A351728
• First of three consecutive primes p,q,r such that p+q, p+r and q+r are all triprimes.at n=12A362203