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Search: id:A055521
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| A055521 |
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Restricted left truncatable (Henry VIII) primes. |
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+0
2
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| 773, 3373, 3947, 4643, 5113, 6397, 6967, 7937, 15647, 16823, 24373, 33547, 34337, 37643, 56983, 57853, 59743, 62383, 63347, 63617, 69337, 72467, 72617, 75653, 76367, 87643, 92683, 97883, 98317, 121997, 124337, 163853, 213613, 236653
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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There are 1440 such primes, the largest being 357686312646216567629137.
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REFERENCES
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Angell, I. O. and Godwin, H. J. "On Truncatable Primes." Math. Comput. 31, 265-267, 1977.
Angell, I.O. and Godwin, H.J. "On Truncatable Primes." Math. Comput. 31, 265-267, 1977.
Kahan, S. and Weintraub, S. "Left Truncatable Primes." J. Recr. Math. 29, 254-264, 1998.
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LINKS
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Index entries for sequences related to truncatable primes
Eric Weisstein's World of Mathematics, Source
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CROSSREFS
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Cf. A024785.
Sequence in context: A133963 A133964 A033919 this_sequence A077077 A043519 A043384
Adjacent sequences: A055518 A055519 A055520 this_sequence A055522 A055523 A055524
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KEYWORD
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nonn
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com)
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