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A113218 Lexicographically earliest permutation of the natural numbers with alternating parities of digital roots in decimal representation. 5
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 10, 13, 12, 15, 14, 17, 16, 20, 18, 22, 19, 24, 21, 26, 23, 29, 25, 31, 27, 33, 28, 35, 30, 38, 32, 40, 34, 42, 36, 44, 37, 47, 39, 49, 41, 51, 43, 53, 45, 56, 46, 58, 48, 60, 50, 62, 52, 65, 54, 67, 55, 69, 57, 71, 59, 74, 61, 76, 63, 78, 64, 80 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

inverse: A113220; A113219 = a(a(n));

A113217(a(n)) = A000035(n).

LINKS

Table of n, a(n) for n=0..72.

Index entries for sequences that are permutations of the natural numbers

Eric Weisstein's World of Mathematics, Digital Root

CROSSREFS

Cf. A010888.

Sequence in context: A283962 A183083 A113220 * A296424 A065708 A296423

Adjacent sequences:  A113215 A113216 A113217 * A113219 A113220 A113221

KEYWORD

nonn,easy,base

AUTHOR

Reinhard Zumkeller, Oct 18 2005

STATUS

approved

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Last modified February 23 00:33 EST 2018. Contains 299473 sequences. (Running on oeis4.)