Talk:Frobenius numbers: Difference between revisions
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<big> a(n) = prime(n)*prime(n+1) - prime(n) - prime(n+1), where '''prime(n) < 10,000''' </big>
it was meant to mean:
<big> a(n) = prime(n)*prime(n+1) - prime(n) - prime(n+1), where '''a(n) < 10,000''' </big>
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Revision as of 23:35, 1 April 2021
title of this task
These are not Frobenius primes. Indeed, some numbers of this series aren't prime.
According to OEIS, they are known as the Frobenius number of the numerical semi-group generated by prime(n) and prime(n+1) (as noted in OEIS entry A037165 by Victoria A. Sapko). They are also known as Frobenius numbers. -- Gerard Schildberger (talk) 22:57, 1 April 2021 (UTC)
task clarification
It appears that when the task's author stated:
a(n) = prime(n)*prime(n+1) - prime(n) - prime(n+1), where prime(n) < 10,000
it was meant to mean:
a(n) = prime(n)*prime(n+1) - prime(n) - prime(n+1), where a(n) < 10,000
This is based on the output for the Ring example's output. -- Gerard Schildberger (talk) 23:33, 1 April 2021 (UTC)