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A079001
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Digital equivalents of letters A, B, C, ..., Z on touch-tone telephone keypad.
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2
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2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(3)= 2 because the third letter of the English alphabet, C, is represented by the digit 2 on telephone keypad.
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CROSSREFS
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KEYWORD
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fini,full,nonn
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AUTHOR
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STATUS
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approved
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