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A080789 Numbers that are primes when turned upside down. +0
2
11, 19, 61, 68, 101, 109, 110, 116, 118, 161, 166, 169, 181, 188, 190, 199, 601, 608, 616, 619, 661, 680 (list; graph; listen)
OFFSET

1,1
REFERENCES

P. Giannopoulos, The Brainteasers (unpublished)

CROSSREFS

Cf. A057770, A054047.

Sequence in context: A107201 A139829 A138355 this_sequence A057770 A080788 A089032

Adjacent sequences: A080786 A080787 A080788 this_sequence A080790 A080791 A080792

KEYWORD

base,easy,nonn

AUTHOR

Giannopoulos P. (pgiannop1(AT)yahoo.com), Mar 12 2003

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Last modified December 4 12:48 EST 2009. Contains 170310 sequences.

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