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A210967
Prime triples (p, q, r), p<=q<=r, such that p + q + r = 2*n + 1 and p*q*r is the minimum product.
2
2, 2, 3, 2, 2, 5, 2, 2, 7, 3, 3, 7, 2, 2, 11, 2, 2, 13, 3, 3, 13, 2, 2, 17, 2, 2, 19, 3, 3, 19, 2, 2, 23, 3, 3, 23, 3, 5, 23, 2, 2, 29, 2, 2, 31, 3, 3, 31, 3, 5, 31, 2, 2, 37, 3, 3, 37, 2, 2, 41, 2, 2, 43, 3, 3, 43, 2, 2, 47, 3, 3, 47, 3, 5, 47, 2, 2, 53, 3, 3, 53, 3, 5, 53, 2, 2, 59, 2, 2, 61, 3, 3, 61, 3, 5, 61, 2, 2, 67, 3, 3, 67, 2, 2, 71, 2, 2, 73, 3, 3, 73
OFFSET
3,1
EXAMPLE
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p+q+r
Triplets = A210968
n (p, q, r) 2*n+1 p*q*r
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3 (2, 2, 3) 7 12
4 (2, 2, 5) 9 20
5 (2, 2, 7) 11 28
6 (3, 3, 7) 13 63
CROSSREFS
Sequence in context: A175509 A213023 A068050 * A343534 A275383 A351627
KEYWORD
nonn
AUTHOR
Omar E. Pol, Jun 29 2012
STATUS
approved