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 A230865 a(n) = n + (sum of digits in base-5 representation of n). 3
 0, 2, 4, 6, 8, 6, 8, 10, 12, 14, 12, 14, 16, 18, 20, 18, 20, 22, 24, 26, 24, 26, 28, 30, 32, 26, 28, 30, 32, 34, 32, 34, 36, 38, 40, 38, 40, 42, 44, 46, 44, 46, 48, 50, 52, 50, 52, 54, 56, 58, 52, 54, 56, 58, 60, 58, 60, 62, 64, 66, 64, 66, 68, 70, 72, 70, 72, 74, 76, 78, 76, 78, 80, 82, 84, 78, 80, 82, 84, 86, 84 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS The image of this sequence is the set of nonnegative even numbers (A005843). Joshi (1973) proved that the sequence of base-q self numbers (analogous to A003052) is the sequence of odd numbers (A005408) for all odd q. - Amiram Eldar, Nov 28 2020 REFERENCES V. S. Joshi, Ph.D. dissertation, Gujarat Univ., Ahmedabad (India), October, 1973. József Sándor and Borislav Crstici, Handbook of Number theory II, Kluwer Academic Publishers, 2004, Chapter 4, p. 384-386. LINKS Donovan Johnson, Table of n, a(n) for n = 0..10000 FORMULA a(n) = n + A053824(n). - Amiram Eldar, Nov 28 2020 MATHEMATICA Table[n + Plus @@ IntegerDigits[n, 5], {n, 0, 100}] (* Amiram Eldar, Nov 28 2020 *) CROSSREFS Cf. A053824, A230641. Sequence in context: A299479 A185361 A245186 * A178699 A299477 A319805 Adjacent sequences:  A230862 A230863 A230864 * A230866 A230867 A230868 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Nov 05 2013 STATUS approved

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Last modified July 26 16:44 EDT 2021. Contains 346294 sequences. (Running on oeis4.)