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A290205 Group identifier of iterated Scrabble function. 1
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 12, 4, 4, 4, 4, 12, 12, 4, 12, 4, 12, 12, 4, 12, 12, 12, 4, 4, 12, 4, 12, 12, 4, 12, 12, 12, 4, 4, 4, 4, 12, 4, 12, 4, 4, 4, 12, 4, 4, 12, 12, 12, 4, 4, 4, 12, 12, 12, 4, 12, 4, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Take the sequence A113172.  Map it onto itself repeatedly.  You will either end up at the fixed point, 12, or a loop of 4->7->8->9->4 (here represented by 4).

LINKS

Table of n, a(n) for n=0..72.

Wikipedia, Scrabble

EXAMPLE

For example 10, spelled TEN is worth 3 points, THREE is worth 8 points and 8 is in the 4/7/8/9 loop, so a(10)=4

CROSSREFS

Cf. A113172.

Sequence in context: A273339 A088899 A258199 * A066014 A080678 A096300

Adjacent sequences:  A290202 A290203 A290204 * A290206 A290207 A290208

KEYWORD

nonn,word

AUTHOR

Michael Turniansky, Jul 24 2017

STATUS

approved

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Last modified January 28 13:05 EST 2020. Contains 331321 sequences. (Running on oeis4.)