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 A178467 a(n) = n * (number of letters in n in Italian). 1
 0, 3, 6, 9, 28, 30, 18, 35, 32, 36, 50, 66, 72, 91, 154, 120, 96, 187, 144, 190, 100, 147, 176, 184, 288, 275, 208, 270, 224, 261, 180, 248, 288, 297, 442, 420, 324, 407, 342, 390, 320, 410, 462, 473, 660, 630, 506, 611, 528, 588, 450, 561, 624, 636, 864, 825, 672, 798, 696, 767, 480, 610, 682, 693, 960, 910, 726, 871, 748, 828, 560, 710, 792, 803, 1110, 1050, 836, 1001, 858, 948, 560, 810, 820, 830, 1176, 1105, 860, 1044 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS a(0) and a(3) are the only such that a(k)=k*k. LINKS FORMULA a(n)=A001477(n)*A026858(n). EXAMPLE a(5)=30 since 5="cinque" has 6 letters in Italian and 5*6=30. CROSSREFS Cf. A001477, A026858. Sequence in context: A223556 A067862 A062927 * A193802 A254616 A195205 Adjacent sequences:  A178464 A178465 A178466 * A178468 A178469 A178470 KEYWORD nonn,word AUTHOR Carmine Suriano, Dec 23 2010 EXTENSIONS Edited by N. J. A. Sloane, Dec 23 2010 STATUS approved

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Last modified May 28 01:34 EDT 2020. Contains 334671 sequences. (Running on oeis4.)