41081

Properties

Appears in sequences

• From rook polynomials.at n=12A001925
• a(n) = a(n-1) + 2*a(n-3).at n=20A003476
• Primes equal to a sum of primes with differences congruent to (2,4) mod 6.at n=23A104160
• Primes p such that q-p = 32, where q is the next prime after p.at n=6A126784
• Primes that become squares when prefixed with a 2.at n=18A167735
• Primes of form a^2+b^2 such that a^4+b^4 and a^8+b^8 are primes.at n=26A182313
• Cyclops Sophie-Germain primes.at n=28A183058
• The number of different classes of 2-dimensional convex lattice polytopes having volume n/2 up to unimodular equivalence.at n=47A187015
• a(n) = (2*n^3 + 3*n^2 + n + 3)/3.at n=39A188475
• Centered 13-gonal (or tridecagonal) primes.at n=15A262493
• Number of 6-cycles in the n-triangular honeycomb obtuse knight graph.at n=18A290392
• Primes of the form p+q+r where p < q < r = p+6 are consecutive primes.at n=41A309354
• a(n) is the least prime p such that (p^2-2*n)/(2*n-1) and (p^2+2*n)/(2*n+1) are both prime, or 0 if such p does not exist.at n=19A344463
• Primes p such that p^2+q+r, p+q^2+r and p+q+r^2 are all prime, where q and r are the next two primes after p.at n=9A348353
• a(n) is the number of distinct scalar products which can be formed by pairs of signed permutations (V, W) of [n].at n=39A358655
• Prime numbers of the form 3p+8 where p, p+2 and p+6 are prime numbers.at n=22A376013
• Primes having only {0, 1, 4, 8} as digits.at n=37A386030
• Prime numbersat n=4300