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A061246 Prime numbers with every digit a perfect square, i.e. consisting of only digits 0, 1, 4, 9. 5
11, 19, 41, 101, 109, 149, 191, 199, 401, 409, 419, 449, 491, 499, 911, 919, 941, 991, 1009, 1019, 1049, 1091, 1109, 1409, 1499, 1901, 1949, 1999, 4001, 4019, 4049, 4091, 4099, 4111, 4409, 4441, 4909, 4919, 4999, 9001, 9011, 9041, 9049, 9091, 9109, 9199 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..46.

R. Ondrejka, The Top Ten: a Catalogue of Primal Configurations.

EXAMPLE

a(10) = 419, 419 is a prime and 1, 4 and 9 are squares.

CROSSREFS

Cf. A066591.

Sequence in context: A165944 A100557 A066591 * A068493 A167535 A184328

Adjacent sequences:  A061243 A061244 A061245 * A061247 A061248 A061249

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Apr 23 2001

EXTENSIONS

Corrected and extended by Jason Earls (zevi_35711(AT)yahoo.com), May 17 2005

Edited by N. J. A. Sloane, Aug 29 2008 at the suggestion of R. J. Mathar

STATUS

approved

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Last modified April 27 15:06 EDT 2017. Contains 285528 sequences.