A065031 - OEIS

This site is supported by donations to The OEIS Foundation.

A065031

In the decimal expansion of n, replace each odd digit by 1 and each even digit by 2.

2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 12, 11, 12, 11, 12, 11, 12, 11, 12, 11, 22, 21, 22, 21, 22, 21, 22, 21, 22, 21, 12, 11, 12, 11, 12, 11, 12, 11, 12, 11, 22, 21, 22, 21, 22, 21, 22, 21, 22, 21, 12, 11, 12, 11, 12, 11, 12, 11, 12, 11, 22, 21, 22, 21, 22, 21, 22, 21, 22, 21 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	EXAMPLE	`a(123)=121 because 1 and 3 are odd and 2 is even.`
	CROSSREFS	`Sequence in context: A161301 A161276 A160980 * A058061 A064547 A086435` `Adjacent sequences: A065028 A065029 A065030 * A065032 A065033 A065034`
	KEYWORD	`base,nonn`
	AUTHOR	`Santi Spadaro (spados(AT)katamail.com), Nov 03 2001`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 23:58 EST 2012. Contains 206085 sequences.