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 A104639 Number of even digits in n^3. 6
 0, 1, 1, 2, 1, 2, 1, 1, 1, 3, 0, 2, 1, 3, 0, 3, 1, 2, 2, 4, 2, 4, 2, 3, 2, 1, 2, 2, 3, 4, 1, 3, 0, 2, 3, 4, 2, 3, 0, 5, 3, 4, 1, 3, 1, 1, 3, 2, 2, 4, 2, 5, 3, 3, 2, 2, 1, 1, 2, 5, 4, 4, 4, 5, 4, 4, 3, 3, 3, 4, 0, 3, 2, 5, 3, 3, 2, 3, 2, 4, 2, 2, 1, 3, 3, 4, 3, 4, 3, 4, 0, 4, 3, 4, 1, 4, 2, 2, 2, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS FORMULA a(n) = A196563(n^3). - Michel Marcus, Oct 05 2013 PROG (PARI) a(n) = my(d = digits(n^3)); sum(i=1, #d, 1 - (d[i] % 2)); \\ Michel Marcus, Oct 05 2013 CROSSREFS Cf. A104640. Sequence in context: A205649 A176510 A061342 * A260704 A161223 A145672 Adjacent sequences:  A104636 A104637 A104638 * A104640 A104641 A104642 KEYWORD easy,nonn,base AUTHOR Zak Seidov, Mar 18 2005 STATUS approved

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