A124669 - OEIS

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A124669

Product of successive primes minus 2.

2

4, 13, 33, 75, 141, 219, 321, 435, 665, 897, 1145, 1515, 1761, 2019, 2489, 3125, 3597, 4085, 4755, 5181, 5765, 6555, 7385, 8631, 9795, 10401, 11019, 11661, 12315, 14349, 16635, 17945, 19041, 20709, 22497, 23705, 25589, 27219, 28889, 30965, 32397

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OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Times@@@Partition[Prime[Range[50]], 2, 1]-2 (* Harvey P. Dale, Nov 02 2020 *)

PROG

(PARI) g(n) = forprime(x=1, n, if(isprime(x+2), y=x*(x+2)-2; print1(y", ")))

CROSSREFS

Sequence in context: A266094 A054039 A302082 * A036894 A227122 A176361

Adjacent sequences: A124666 A124667 A124668 * A124670 A124671 A124672

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Dec 27 2006

STATUS

approved