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Search: id:A053600
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| A053600 |
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a(n+1) is the smallest palindromic prime with a(n) as a central substring. |
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+0
7
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| 2, 727, 37273, 333727333, 93337273339, 309333727333903, 1830933372733390381, 92183093337273339038129, 3921830933372733390381293, 1333921830933372733390381293331, 18133392183093337273339038129333181
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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G. L. Honaker, Jr. and Chris K. Caldwell, Palindromic Prime Pyramids, J. RECREATIONAL MATHEMATICS, Vol. 30(3) 169-176, 1999-2000.
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LINKS
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C. K. Caldwell, Prime Curios, 18133...33181 (35-digits)
P. De Geest, Palindromic Prime Pyramid Puzzle by G.L.Honaker,Jr
G. L. Honaker, Jr. & C. K. Caldwell, Palindromic Prime Pyramids
G. L. Honaker, Jr. & C. K. Caldwell, Supplement to "Palindromic Prime Pyramids"
Ivars Peterson, MAA Online
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CROSSREFS
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Cf. A000040, A002385, A047076, A052205, A034276, A046210, A052091, A052092.
Sequence in context: A082438 A062066 A082621 this_sequence A090275 A090565 A072384
Adjacent sequences: A053597 A053598 A053599 this_sequence A053601 A053602 A053603
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KEYWORD
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base,nonn
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AUTHOR
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G. L. Honaker, Jr. (honak3r(AT)gmail.com), Jan 20 2000
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