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 A123912 Numbers whose square starts with 2 identical digits. 0
 15, 21, 34, 47, 58, 67, 88, 94, 105, 106, 107, 108, 109, 149, 150, 151, 182, 183, 184, 210, 211, 212, 235, 236, 257, 258, 278, 279, 297, 298, 315, 316, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 470, 471, 472, 473, 474, 475 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 15^2 = 225. CROSSREFS Sequence in context: A168354 A190358 A090999 * A296244 A225916 A128279 Adjacent sequences:  A123909 A123910 A123911 * A123913 A123914 A123915 KEYWORD base,nonn AUTHOR Tanya Khovanova, Oct 28 2006 STATUS approved

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Last modified August 20 16:49 EDT 2018. Contains 313926 sequences. (Running on oeis4.)