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A050986 Number of n-digit right-truncatable primes. +0
12
4, 9, 14, 16, 15, 12, 8, 5 (list; graph; listen)
OFFSET

1,1

REFERENCES

Angell, I. O. and Godwin, H. J. "On Truncatable Primes." Math. Comput. 31, 265-267, 1977.

LINKS

Jens Kruse Andersen, Right-truncatable primes

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Index entries for sequences related to truncatable primes

Index entries for sequences related to numbers of primes in various ranges

CROSSREFS

Cf. A033664, A024785, A032437, A020994, A024770, A052023, A052024, A052025, A050987.

Sequence in context: A091880 A141560 A071864 this_sequence A034259 A010452 A045835

Adjacent sequences: A050983 A050984 A050985 this_sequence A050987 A050988 A050989

KEYWORD

base,nonn,easy,fini,full

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

EXTENSIONS

Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Mar 13 2007

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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