|
Search: id:A110433
|
|
|
| A110433 |
|
a(1) = 1 then the least multiple of odd numbers not odd mutiples of 5, (3,7,9,11,13,17,19,21,23,27,29,...) such that every partial concatenation is non-composite. |
|
+0
1
|
|
| 1, 3, 7, 63, 77, 39, 357, 57, 21, 1909, 567, 1827, 713, 1353, 21349, 273, 533, 43, 4559, 7497, 1989, 1749, 5529, 49029, 7747, 3843, 1943, 1449, 13987, 24893, 11319, 50007, 2673, 14691, 23577, 147117, 28119, 11439, 57909, 7821, 3939, 41097, 2889, 78807
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Pseudoprimality, but not primality, checked for some of the larger numbers involved here. - Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 11 2006
|
|
EXAMPLE
|
13,137,13763,1376377 are all prime where 63 is a multiple of 9 and 77 is a multiple of 11.
|
|
CROSSREFS
|
Sequence in context: A084289 A077703 A134705 this_sequence A041817 A120364 A088797
Adjacent sequences: A110430 A110431 A110432 this_sequence A110434 A110435 A110436
|
|
KEYWORD
|
base,easy,nonn
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 02 2005
|
|
EXTENSIONS
|
More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 11 2006
|
|
|
Search completed in 0.002 seconds
|
