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A068493 Primes which are concatenations of squares. +0
1
11, 19, 41, 149, 181, 191, 199, 419, 449, 491, 499, 911, 919, 941, 991, 1181, 1259, 1289, 1361, 1481, 1499, 1811, 1949, 1999, 4111, 4259, 4289, 4441, 4481, 4649, 4729, 4919, 4999, 9161, 9181, 9199, 9419, 9491, 9649, 9811, 9941, 9949, 11119, 11149 (list; graph; listen)
OFFSET

1,1

EXAMPLE

149 is a term of the sequence since it is the concatenation of squares 1, 4, 9.

CROSSREFS

Sequence in context: A100557 A066591 A061246 this_sequence A167535 A107201 A139829

Adjacent sequences: A068490 A068491 A068492 this_sequence A068494 A068495 A068496

KEYWORD

base,nonn

AUTHOR

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Mar 11 2002

EXTENSIONS

Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 26 2002

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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