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A157908 Nonprimes whose digits are all square. +0
2
0, 1, 4, 9, 10, 14, 40, 44, 49, 90, 91, 94, 99, 100, 104, 110, 111, 114, 119, 140, 141, 144, 190, 194, 400, 404, 410, 411, 414, 440, 441, 444, 490, 494, 900, 901, 904, 909, 910, 914, 940, 944, 949, 990, 994, 999, 1000, 1001, 1004, 1010, 1011, 1014, 1040, 1041 (list; graph; listen)
OFFSET

1,3

COMMENT

Square digits are 0, 1, 4 or 9 (i.e. 0=0*0, 1=1*1, 4=2*2 or 9=3*3).

CROSSREFS

Cf. A000290, A141468.

Sequence in context: A140292 A010426 A054294 this_sequence A064973 A133764 A163643

Adjacent sequences: A157905 A157906 A157907 this_sequence A157909 A157910 A157911

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Mar 09 2009

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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