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Search: id:A138139
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| A138139 |
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Triangle read by rows: row n contains n terms and each column lists the prime numbers A000040. |
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+0
4
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| 2, 2, 2, 2, 3, 2, 2, 3, 3, 2, 2, 3, 5, 3, 2, 2, 3, 5, 5, 3, 2, 2, 3, 5, 7, 5, 3, 2, 2, 3, 5, 7, 7, 5, 3, 2, 2, 3, 5, 7, 11, 7, 5, 3, 2, 2, 3, 5, 7, 11, 11, 7, 5, 3, 2, 2, 3, 5, 7, 11, 13, 11, 7, 5, 3, 2
(list; table; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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Triangle begins:
..... 2
.... 2,2
... 2,3,2
.. 2,3,3,2
. 2,3,5,3,2
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CROSSREFS
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Cf. A000040, A003983.
Sequence in context: A047931 A033618 A061357 this_sequence A127992 A067595 A134868
Adjacent sequences: A138136 A138137 A138138 this_sequence A138140 A138141 A138142
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KEYWORD
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easy,nonn,tabl,more
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Mar 09 2008, Mar 25 2008
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