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Search: id:A134951
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| 131, 151, 181, 191, 1231, 1291, 1321, 1361, 1381, 1451, 1471, 1481, 1531, 1571, 1621
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OFFSET
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1,1
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COMMENT
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Mountain numbers that are prime numbers. This sequence is finite.
This sequence has 2620 terms. The largest is 134567897654321. [From Jud McCranie (j.mccranie(AT)comcast.net), Feb 23 2009, Feb 24 2009]
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EXAMPLE
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The number of this sequence (A134951) is a mountain prime because 134951 is a mountain number and 134951 is a prime number.
. . . 9 . .
. . . . . .
. . . . . .
. . . . . .
. . . . 5 .
. . 4 . . .
. 3 . . . .
. . . . . .
1 . . . . 1
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CROSSREFS
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Cf. Prime numbers: A000040. Mountain numbers: A134941.
Sequence in context: A159256 A039558 A045164 this_sequence A164294 A155924 A090264
Adjacent sequences: A134948 A134949 A134950 this_sequence A134952 A134953 A134954
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KEYWORD
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fini,nonn,base,more
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Nov 25 2007
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EXTENSIONS
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Edited by Omar E. Pol (info(AT)polprimos.com), Feb 26 2009
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