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A007523
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Primes in A092845 (decimal expansion of pi written backwards).
(Formerly M2966)
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2
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OFFSET
| 1,1
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COMMENTS
| Next term is probably A092845(711), a 712-digit probable prime (Baillie-Pomerance-Selfridge-Wagstaff test, cf. PARI/gp documentation) beginning 2116599102453... and ending ...62648323979853562951413.
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REFERENCES
| M. Gardner, Whys and Wherefores, Univ. Chicago Press, 1989, p. 84.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| Index entries for sequences related to the number Pi
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FORMULA
| Equals A000040 intersect A092845.
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EXAMPLE
| 51413 is in the list because it is prime and its decimal reversal, 31415, is the first 5 digits of Pi.
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CROSSREFS
| Cf. A005042, A092845, A011545.
Sequence in context: A087333 A016104 A112856 * A092830 A087345 A048756
Adjacent sequences: A007520 A007521 A007522 * A007524 A007525 A007526
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KEYWORD
| base,nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com) and Robert G. Wilson v (rgwv(AT)rgwv.com)
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EXTENSIONS
| Edited by M. F. Hasler (www.univ-ag.fr/~mhasler) and N. J. A. Sloane (njas(AT)research.att.com), Mar 30 2008
Edited by T. D. Noe (noe(AT)sspectra.com), Oct 30 2008
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