|
Search: id:A138117
|
|
|
| A138117 |
|
Triangle read by rows: row n lists the first 2n-1 prime numbers. |
|
+0
1
|
|
| 2, 2, 3, 5, 2, 3, 5, 7, 11, 2, 3, 5, 7, 11, 13, 17, 2, 3, 5, 7, 11, 13, 17, 19, 23, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
EXAMPLE
|
Triangle begins:
....... 2
..... 2,3,5
... 2,3,5,7,11
. 2,3,5,7,11,13,17
|
|
CROSSREFS
|
Cf. A000040, A037126, A138139, A138143.
Sequence in context: A058256 A140183 A130725 this_sequence A152430 A117918 A039638
Adjacent sequences: A138114 A138115 A138116 this_sequence A138118 A138119 A138120
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Omar E. Pol (info(AT)polprimos.com), Mar 14 2008, corrected Mar 15 2008
|
|
|
Search completed in 0.002 seconds
|
