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A054684 Sum of digits is odd. 6
1, 3, 5, 7, 9, 10, 12, 14, 16, 18, 21, 23, 25, 27, 29, 30, 32, 34, 36, 38, 41, 43, 45, 47, 49, 50, 52, 54, 56, 58, 61, 63, 65, 67, 69, 70, 72, 74, 76, 78, 81, 83, 85, 87, 89, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 111, 113, 115, 117, 119, 120, 122, 124, 126, 128, 131 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Union of A179083 and A179085; A179081(a(n)) = 1. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 28 2010]

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..1000 [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 28 2010]

FORMULA

a(n) = n * 2 - 1 for the first 5 numbers; a(n) = n * 2 for the second 5 numbers (recurrence)

EXAMPLE

1, 3, 5, 7, 9, 10(1), 12(3), 14(5), 16(7), 18(9), 21(3) and so on.

CROSSREFS

Cf. A054683.

Sequence in context: A187318 A108598 A184808 * A080207 A187347 A187413

Adjacent sequences:  A054681 A054682 A054683 * A054685 A054686 A054687

KEYWORD

nonn,easy,base

AUTHOR

Odimar Fabeny (fabeny(AT)terra.com.br), Apr 19 2000

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Apr 19 2000

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.