|
| |
|
|
A061466
|
|
Product of primes p(3n+1), p(3n+2), p(3n+3).
|
|
1
| |
|
|
30, 1001, 7429, 33263, 82861, 190747, 347261, 583573, 1009091, 1317919, 2279269, 3127361, 4273697, 5605027, 7262011, 9363547, 12112039, 14457349, 18181979, 21093827, 25456133, 30857731, 38706809, 44227723, 51881689, 59147839
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,1000
|
|
|
EXAMPLE
| Product of 2 3 5 is 30; product of 7 11 13 is 1001; ...
|
|
|
MATHEMATICA
| f[n_] := Prime[3n + 1] Prime[3n + 2] Prime[3n + 3]; Array[f, 26, 0] (* Robert G. Wilson v, Apr 11 2011 *)
|
|
|
PROG
| (PARI) { for (n=0, 1000, i=3*n + 1; p=prime(i)*prime(i + 1)*prime(i + 2); write("b061466.txt", n, " ", p) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 23 2009]
(MAGMA) [&*[NthPrime(n+k): k in [0..2]]: n in [1..78 by 3]]; // Bruno Berselli, Apr 11 2011
|
|
|
CROSSREFS
| Sequence in context: A111216 A158672 A004994 * A180812 A160313 A001821
Adjacent sequences: A061463 A061464 A061465 * A061467 A061468 A061469
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), Jun 11 2001
|
|
|
EXTENSIONS
| Better description and more terms from Larry Reeves (larryr(AT)acm.org), Jun 22 2001
OFFSET changed from 2,1 to 0,1 by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 23 2009
|
| |
|
|
