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A023114 Numbers n such that n remains square when digit 9 is appended. 0
0, 4, 16, 324, 6400, 23716, 467856, 9229444, 34199104, 674648676, 13308852496, 49315084900, 972842923584, 19191356070436, 71112318227344, 1402838821160100, 27673922144716864, 102543913568745796, 2022892607269941264 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A203105 A095956 A014731 * A202681 A067211 A156337

Adjacent sequences:  A023111 A023112 A023113 * A023115 A023116 A023117

KEYWORD

nonn,base

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 16 19:19 EST 2012. Contains 205945 sequences.