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Search: id:A060825
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| A060825 |
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Smallest n-digit left truncatable prime of Henry VIII type. |
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+0
1
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| 13, 773, 3373, 15647, 121997, 1237547, 12184967, 126934673, 1231633967, 12181833347, 124627266947, 1213536676883, 13264242313613, 129456645661613, 1399335756373613, 12429121339693967, 198615345451813613
(list; graph; listen)
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OFFSET
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2,1
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REFERENCES
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S. Kahan and S. Weintraub, Left truncatable primes. Journal of Recreational Mathematics, vol. 29, no. 4 (1998), pp. 255-261.
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LINKS
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C. K. Caldwell, Left truncatable primes
P. De Geest, The 4260 left-truncatable primes
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EXAMPLE
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The 11-th digit prime a(11) = 12181833347 is the smallest of its kind such that successive deleting of the leftmost digits produces the primes 2181833347, 181833347, 81833347, 1833347, 833347, 33347, 3347, 347, 47, 7.
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CROSSREFS
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Cf. A024785, A052023, A052025.
Sequence in context: A114355 A086157 A033509 this_sequence A123838 A096084 A095680
Adjacent sequences: A060822 A060823 A060824 this_sequence A060826 A060827 A060828
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KEYWORD
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fini,nice,nonn,base
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AUTHOR
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Lekraj Beedassy (blekraj(AT)yahoo.com), Apr 30 2001
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