A114055 Self-describing sequence : runs of equal parity digits alternate ("0" is considered as an even digit); the length of each run is given by the sequence itself.

1, 2, 4, 5, 7, 9, 10, 20, 22, 31, 33, 35, 36, 40, 42, 44, 46, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 80, 82, 84, 86, 88, 91, 93, 95, 97, 99, 111, 113, 117, 200, 202, 204, 206, 208, 220, 222, 224, 226, 228, 231, 311, 313, 315, 317, 319, 331, 333, 335, 337, 339, 340

Offset

1,2

Comments

A variant of A093848.

Links

Table of n, a(n) for n=1..62.

Example

(1),(2,4),(5,7,9,1)(0,20,22),(31,33,35,3)(6,40,42,44,46),(51,53,55,57,59),(60,62,64,66,68,80,82,84,86,88)... Those runs of equal parity digits are of length 1,2,4,5,7,9,10,20... which is the sequence itself.

Crossrefs

Sequence in context: A295579 A098794 A256228 * A169581 A184858 A083026

Adjacent sequences: A114052 A114053 A114054 * A114056 A114057 A114058

Keyword

base,easy,nonn

Author

Eric Angelini, Feb 02 2006

Status

approved