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 A054683 Numbers n such that sum of digits is even. 14
 0, 2, 4, 6, 8, 11, 13, 15, 17, 19, 20, 22, 24, 26, 28, 31, 33, 35, 37, 39, 40, 42, 44, 46, 48, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 71, 73, 75, 77, 79, 80, 82, 84, 86, 88, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 110, 112, 114, 116, 118, 121, 123, 125, 127, 129, 130 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Union of A179082 and A179084; A179081(a(n)) = 0. - Reinhard Zumkeller, Jun 28 2010 LINKS R. Zumkeller, Table of n, a(n) for n = 1..1000 FORMULA a(n) = n * 2 for the first 5 numbers; a(n) = n * 2 + 1 for the second 5 numbers (recurrence) I.e. for n > 0, a(n + 10) = a(n) + 20. - David A. Corneth, Jun 05 2016 EXAMPLE 0, 2, 4, 6, 8, 11 (2), 13 (4), 15 (6), 17 (8), 19 (10), 20 (2), 22 (4) and so on. MATHEMATICA Select[Range[0, 200], EvenQ[Total[IntegerDigits[#]]]&] (* Harvey P. Dale, Jan 04 2015 *) PROG (PARI) is(n)=my(d=digits(n)); sum(i=1, #d, d[i])%2==0 \\ Charles R Greathouse IV, Aug 09 2013 (PARI) a(n) = n--; m = 10*(n\5); s=sumdigits(m); m + (1-(s-1)%2) + 2*(n%5) \\ David A. Corneth, Jun 05 2016 (Python) A054683_list = [i for i in range(10**3) if not sum(int(d) for d in str(i)) % 2] # Chai Wah Wu, Mar 17 2016 CROSSREFS Cf. A054684, A270264. Sequence in context: A128403 A205556 A051244 * A327255 A287777 A249099 Adjacent sequences:  A054680 A054681 A054682 * A054684 A054685 A054686 KEYWORD nonn,easy,base AUTHOR Odimar Fabeny, Apr 19 2000 EXTENSIONS More terms from James A. Sellers, Apr 19 2000 Example corrected by David A. Corneth, Jun 05 2016 STATUS approved

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Last modified October 16 03:37 EDT 2019. Contains 328040 sequences. (Running on oeis4.)