A065649 - OEIS

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A065649

Permutation of nonnegative integers based on Champernowne's constant 0.123456789101112131415...

7

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 10, 21, 31, 41, 12, 51, 13, 61, 14, 71, 15, 81, 16, 91, 17, 101, 18, 111, 19, 22, 20, 32, 121, 42, 52, 62, 23, 72, 24, 82, 25, 92, 26, 102, 27, 112, 28, 122, 29, 33, 30, 43, 131, 53, 132, 63, 73, 83, 34, 93, 35, 103, 36, 113, 37, 123, 38

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

COMMENTS

A261293(n) = a(a(n)). - Reinhard Zumkeller, Aug 14 2015

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

Klaus Strassburger, Illustration

Index entries for sequences that are permutations of the natural numbers

FORMULA

a(n) = if n = 0 then 0 else 10*(A065648(n)-1) + A033307(n-1).

PROG

(Haskell)

a065649 n = a065649_list !! n

a065649_list = zipWith (+)

(map ((* 10) . subtract 1) a065648_list) (0 : a033307_list)

-- Reinhard Zumkeller, Aug 13 2015

CROSSREFS

A033307, A065648, A065650.

Cf. A261279 (fixed points), A261293, A261333.

Sequence in context: A296423 A065650 A358386 * A338830 A262037 A262039

Adjacent sequences: A065646 A065647 A065648 * A065650 A065651 A065652

KEYWORD

base,nice,nonn,look

AUTHOR

Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Nov 09 2001

EXTENSIONS

Offset and defining formula adjusted by Reinhard Zumkeller, Aug 13 2015

STATUS

approved