72173

Properties

Appears in sequences

• a(1)=433640083; a(n+1)= the largest prime factor of a(n)+b(n)+c(n), where a(n)<b(n)<c(n) and a(n),b(n) and c(n) are three consecutive primes.at n=13A117631
• Primes p such that q - p = 38, where q is the next prime after p.at n=11A134118
• Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 3,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=6A155234
• Primes in A166448.at n=12A166449
• Primes that are the sum of the squares of three integers that form an arithmetic sequence with difference 7.at n=19A227994
• Prime numbersat n=7145