A114545 A self-descriptive fractal sequence. Each element gives the length and first element of a finite arithmetic sequence. Replace each finite sequence with its length (or first term) and you recover the original infinite sequence.

3, 4, 5, 4, 5, 6, 7, 5, 6, 7, 8, 9, 4, 5, 6, 7, 5, 6, 7, 8, 9, 6, 7, 8, 9, 10, 11, 7, 8, 9, 10, 11, 12, 13, 5, 6, 7, 8, 9, 6, 7, 8, 9, 10, 11, 7, 8, 9, 10, 11, 12, 13, 8, 9, 10, 11, 12, 13, 14, 15, 9, 10, 11, 12, 13, 14, 15, 16, 17, 4, 5, 6, 7, 5, 6, 7, 8, 9, 6, 7, 8, 9, 10, 11, 7, 8, 9, 10, 11, 12

Offset

3,1

Links

Table of n, a(n) for n=3..92.

Example

The first element is 3, which describes the sequence 3, 4, 5. The second element, 4, describes the run 4, 5, 6, 7.

Crossrefs

Cf. A114544, A114546, A114547.

Sequence in context: A332420 A115051 A094634 * A309704 A232702 A325272

Adjacent sequences: A114542 A114543 A114544 * A114546 A114547 A114548

Keyword

easy,nonn

Author

Kerry Mitchell, Dec 07 2005

Status

approved