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 A118116 a(n) = n concatenated n^2 times. 0
 1, 2222, 333333333, 4444444444444444, 5555555555555555555555555, 666666666666666666666666666666666666, 7777777777777777777777777777777777777777777777777 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Is the partial sum of a(n) ever prime? See also A000461 Concatenate n n times. LINKS FORMULA a(n) = n concatenated A000290(n) times. a(n) = A000027(n) concatenated A000290(n) times. MATHEMATICA Table[FromDigits[Table[n, {n^2}]], {n, 8}] (* Harvey P. Dale, Oct 24 2013 *) CROSSREFS Cf. A000027, A000290, A000461. Sequence in context: A046443 A257826 A043500 * A053395 A178919 A205225 Adjacent sequences:  A118113 A118114 A118115 * A118117 A118118 A118119 KEYWORD base,easy,nonn AUTHOR Jonathan Vos Post, May 11 2006 STATUS approved

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Last modified September 27 11:57 EDT 2021. Contains 347689 sequences. (Running on oeis4.)