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A022505

Describe the previous term! (method B - initial term is 9).

9, 91, 9111, 9113, 911231, 9112213111, 911222113113, 91122312311231, 9112223111213112213111, 91122331132111311222113113, 911222321231211331122312311231

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

OFFSET

1,1

COMMENTS

Method B = 'digit'-indication followed by 'frequency'.

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

E.g., the term after 9113 is obtained by saying "9 once, 1 twice, 3 once", which gives 911231.

CROSSREFS

Cf. A007651, A022470, A022499, A022500, A022501, A022502, A022503, A022504.

Sequence in context: A020236 A068624 A034666 * A225162 A128384 A382390

Adjacent sequences: A022502 A022503 A022504 * A022506 A022507 A022508

KEYWORD

nonn,base,easy,nice

AUTHOR

N. J. A. Sloane

EXTENSIONS

a(12)-(14) needlessly added by Alvin Hoover Belt, Jan 31 2010

STATUS

approved

URL: https://oeis.org/A022505

⇱ A022505 - OEIS