A079001 - OEIS

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A079001

Digital equivalents of letters A, B, C, ..., Z on touch-tone telephone keypad.

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; internal format)

	OFFSET	`1,1`
	EXAMPLE	`a(3)= 2 because the third letter of the English alphabet, C, is represented by the digit 2 on telephone keypad.`
	CROSSREFS	`Cf. A079048.` `Sequence in context: A157685 A127757 A172264 * A032615 A086161 A002264` `Adjacent sequences: A078998 A078999 A079000 * A079002 A079003 A079004`
	KEYWORD	`fini,nonn`
	AUTHOR	`Donald S. McDonald (don.mcdonald(AT)paradise.net.nz), Feb 01 2003`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.