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A117113 Number of letters not in common with the number before. 0
2, 2, 4, 3, 3, 2, 4, 4, 2, 1, 4, 2, 5, 3, 2, 2, 4, 3, 2, 2, 3, 2, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..22.

FORMULA

a(1)=2 from oNE & zerO, a(2)=2 from TWo & One, a(3)=4 from tHREE & Two, a(8)=4 from eIGHT & sEven, etc.

EXAMPLE

a(1)=2 from oNE & zerO, a(2)=2 from TWo & One, a(3)=4 from tHREE & Two, a(8)=4 from eIGHT & sEven, etc.

CROSSREFS

Cf. A116531.

Sequence in context: A094953 A122687 A002948 * A239430 A260951 A240600

Adjacent sequences:  A117110 A117111 A117112 * A117114 A117115 A117116

KEYWORD

nonn,word

AUTHOR

Rodolfo Kurchan, Apr 18 2006

STATUS

approved

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Last modified March 26 14:18 EDT 2019. Contains 321497 sequences. (Running on oeis4.)