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A338533 Primes in A338529/2. 2
31, 1873, 6163, 4133, 8093, 18211, 10529, 18233, 12743, 14557, 15473, 16057, 16607, 37571, 28793, 22669, 92221, 58073, 65993, 34759, 37781, 32563, 36473, 106163, 70003, 48487, 64621, 75527, 87133, 117701, 89017, 171877, 61223, 61283, 62603, 96997, 75533, 103657, 116797, 81899, 82241, 108533 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The primes are listed in the order in which they appear in A338529. Some appear more than once, e.g. a(481) = a(669) = 2427137 because 2427137 = A338529(11966)/2 = A338529(16893)/2.
LINKS
EXAMPLE
A338529(2)/2 = 31 is prime, so a(1) = 31.
A338529(38)/2 = 1873 is prime, so a(2) = 1873.
A338529(65)/2 = 6163 is prime, so a(3) = 6163.
MAPLE
select(isprime, [seq(ithprime(n+2)*ithprime(n+3)-ithprime(n)*ithprime(n+1), n=2..10000)]/2);
CROSSREFS
Cf. A338529.
Sequence in context: A183883 A049081 A069432 * A055629 A131751 A042863
KEYWORD
nonn
AUTHOR
J. M. Bergot and Robert Israel, Nov 01 2020
STATUS
approved

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Last modified May 19 10:22 EDT 2024. Contains 372683 sequences. (Running on oeis4.)