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 A230631 a(n) = n + (sum of digits in base-4 representation of n). 11
 0, 2, 4, 6, 5, 7, 9, 11, 10, 12, 14, 16, 15, 17, 19, 21, 17, 19, 21, 23, 22, 24, 26, 28, 27, 29, 31, 33, 32, 34, 36, 38, 34, 36, 38, 40, 39, 41, 43, 45, 44, 46, 48, 50, 49, 51, 53, 55, 51, 53, 55, 57, 56, 58, 60, 62, 61, 63, 65, 67, 66, 68, 70, 72, 65, 67, 69, 71, 70, 72, 74, 76, 75, 77, 79, 81, 80, 82, 84, 86, 82 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS a(n) = A053737(n) + n. - Reinhard Zumkeller, Mar 20 2015 LINKS Donovan Johnson, Table of n, a(n) for n = 0..10000 PROG (Haskell) a230631 n = a053737 n + n  -- Reinhard Zumkeller, Mar 20 2015 CROSSREFS Cf. A010064 (missing numbers), A230632 (number of inverses), A230633-A230635. Related base-4 sequences:  A053737, A230631, A230632, A010064, A230633, A230634,A230635, A230636, A230637, A230638, A010065 (trajectory of 1) Sequence in context: A254763 A023825 A022485 * A271324 A177961 A297615 Adjacent sequences:  A230628 A230629 A230630 * A230632 A230633 A230634 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Oct 30 2013 STATUS approved

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Last modified October 23 12:51 EDT 2018. Contains 316528 sequences. (Running on oeis4.)