A105771 Slowest increasing sequence which self-describes its succession of odd and even digits.

1, 2, 4, 5, 7, 9, 12, 22, 24, 31, 33, 35, 36, 42, 44, 46, 48, 52, 61, 72, 81, 92, 222, 311, 411, 522, 611, 722, 822, 911, 2222, 2231, 3122, 3131, 4222, 5111, 6222, 6231, 7122, 8222, 8231, 9112

Offset

1,2

Links

Table of n, a(n) for n=1..42.

Example

1 2 4 5 7 9 12 22 24 31 33 35 36 42 44 46 48 52 61 72 81 92 222 311
. ^ ^ . . . .^ ^^ ^^ .. .. .. .^ ^^ ^^ ^^ ^^ .^ ^. .^ ^. .^ ^^^ ...
1 2 4 5 7 9 1 2 2 2 2 4 3

Crossrefs

Sequence in context: A212661 A288511 A249058 * A193494 A161832 A350592

Adjacent sequences: A105768 A105769 A105770 * A105772 A105773 A105774

Keyword

base,easy,nonn

Author

Eric Angelini, May 04 2005

Status

approved