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 A067862 Numbers n that divide the sum of digits of 3^n. 8
 1, 3, 6, 9, 27, 54, 180, 216, 225, 486 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS No further terms below 200000. - Sascha Kurz, Mar 19 2002 No further terms below 1000000 - Harvey P. Dale, Dec 01 2010 Almost certainly there are no further terms. All terms greater than 1 are multiples of 3. - Alonso del Arte, Oct 08 2013 Numbers n such that A175435(n) = 0. - Michel Marcus, Oct 09 2013 LINKS EXAMPLE 6 divides the sum of digits of 3^6 (i.e., 7 + 2 + 9 = 18), so it belongs to the sequence. MATHEMATICA Select[Range[1000000], Divisible[Total[IntegerDigits[3^#]], #] &] (* Harvey P. Dale, Dec 01 2010 *) CROSSREFS Cf. A004166, A175169, A175435. Sequence in context: A296110 A019461 A223556 * A062927 A178467 A193802 Adjacent sequences:  A067859 A067860 A067861 * A067863 A067864 A067865 KEYWORD nonn,base AUTHOR Shyam Sunder Gupta and Amarnath Murthy, Feb 16 2002 EXTENSIONS Checked and found no further terms up to n = 1000000. - Harvey P. Dale, Dec 01 2010 STATUS approved

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Last modified August 10 11:52 EDT 2020. Contains 336379 sequences. (Running on oeis4.)