24499
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- A jumping problem.at n=19A002466
- a(n) = L(n+2) + c(n) where L(k) is the k-th Lucas number and c(n) is the n-th number that is 1 or 3 or is not a Lucas number.at n=18A022810
- Primes that remain prime through 4 iterations of function f(x) = 5*x + 6.at n=9A023315
- Numbers k such that 32^k - 31^k is prime.at n=3A062598
- First prime after phi(prime(n)^2).at n=36A079477
- Largest prime factor of A023199(n).at n=16A108402
- Numbers k such that the sum of the digits of k^2 is 10. Multiples of 10 are omitted.at n=19A135027
- Primes with a prime number of partitions into prime parts.at n=31A146949
- a(n) = 20*n^2 - 1.at n=34A158491
- Prime p1 of consecutive primes p1, p2, where p2-p1=10, and p1, p2 are in different centuries.at n=25A160500
- Primes p such that p*floor(p/2)-2 and p*floor(p/2)+2 are also prime numbers.at n=32A164621
- Prime numbers 3*n-2 such that n, 2*n-1 and 3*n-2 are prime.at n=38A180025
- Primes which are the sum of three distinct positive cubes in two or more distinct ways.at n=21A180088
- Primes of the form 5n^2 - 1.at n=19A201783
- Primes p where the digital sum of p^2 is equal to 10.at n=6A226802
- Primes formed from concatenation of PrimePi(n) and prime(n).at n=30A236551
- Start with a single hexagon; at n-th generation add a hexagon at each expandable vertex; a(n) is the sum of all label values at n-th generation. (See comment for construction rules.)at n=11A247620
- Primes p such that (p^2+2)/3 and (p^4+2)/3 are prime.at n=21A256811
- Numbers k such that the sum of digits of k^2 is 10.at n=46A262713
- Number of n X 4 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.at n=15A296309