29833

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 5x + 8.at n=37A023286
• Euclid-Mullin sequence (A000945) with initial value a(1)=5 instead of a(1)=2.at n=9A051308
• a(0)=0, a(1)=2, a(n) = smallest prime > a(n-1)+a(n-2).at n=20A055502
• 30*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 7.at n=17A090776
• Number of n X 2 (-1,0,1) arrays of determinants of 2 X 2 subblocks of some (n+1) X 3 binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=15A226866
• Primes p such that b=2*p+1 is semiprime, c=2*b+1 is 3-almost prime and d=2*c+1 is 4-almost prime.at n=26A235646
• Primes whose binary and ternary representations are also prime when read in decimal.at n=32A236537
• Smallest prime p such that the multiplicative order of 9 modulo p is 2*n, or 0 if no such prime exists.at n=43A372799
• Expansion of (1/x) * Series_Reversion( x / (1 + x + x^3 * (1 + x)^3) ).at n=11A378427
• a(n) = Sum_{k=0..floor(n/4)} 2^k * binomial(2*n-6*k+1,2*k).at n=15A387626
• Prime numbersat n=3231