|
| |
|
|
A074200
|
|
a(n) = m, the smallest number such that (m+k)/k is prime for k=1, 2, ..., n.
|
|
2
|
|
|
|
1, 2, 12, 12720, 19440, 5516280, 5516280, 7321991040, 363500177040, 2394196081200, 3163427380990800, 22755817971366480, 3788978012188649280, 2918756139031688155200
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
COMMENTS
|
Computed by Jack Brennen and Phil Carmody
|
|
|
LINKS
|
Table of n, a(n) for n=1..14.
C. Rivera, Puzzle 181
|
|
|
EXAMPLE
|
(12+k)/k is prime for k = 1,2,3. 12 is the smallest such number so a(3) = 12.
|
|
|
CROSSREFS
|
Cf. A078502. See A093553 for another version.
Sequence in context: A000887 A118542 A007155 * A048830 A038081 A027737
Adjacent sequences: A074197 A074198 A074199 * A074201 A074202 A074203
|
|
|
KEYWORD
|
nonn,more,changed
|
|
|
AUTHOR
|
Jean-Christophe Colin (jc-colin(AT)wanadoo.fr), Sep 17 2002, May 10 2010
|
|
|
EXTENSIONS
|
Corrected by Vladeta Jovovic, Jan 08 2003
a(14) from Jens Kruse Andersen, Feb 15 2004
|
|
|
STATUS
|
approved
|
| |
|
|
