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A168042 The non-single or nonisolated numbers whose digits are all square. 1
0, 1, 9, 10, 11, 14, 19, 40, 41, 44, 49, 90, 91, 94, 99, 100, 101, 104, 109, 110, 111, 114, 119, 140, 141, 144, 149, 190, 191, 194, 199, 400, 404, 410, 411, 414, 419, 440, 441, 444, 490, 494, 900, 901, 904, 909, 910, 914, 940, 944, 949, 990, 994, 999, 1000, 1001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Square digits are 0, 1, 4 or 9. The non-single or nonisolated numbers are 0, 1, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20, 21,..

LINKS

Table of n, a(n) for n=1..56.

CROSSREFS

Cf. A000290, A157908, A167707.

Sequence in context: A125004 A085514 A086446 * A045522 A054967 A227801

Adjacent sequences:  A168039 A168040 A168041 * A168043 A168044 A168045

KEYWORD

nonn,base,less

AUTHOR

Juri-Stepan Gerasimov, Nov 17 2009

EXTENSIONS

Entries checked by R. J. Mathar, May 30 2010

STATUS

approved

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Last modified March 25 12:11 EDT 2019. Contains 321470 sequences. (Running on oeis4.)