A105776 Self-describing integers with the rule: if the digit d, part of the integer i, is odd then there are d odd digits in this integer; if the digit d is even there are d even digits.

1, 22, 122, 212, 221, 333, 4444, 14444, 22333, 23233, 23323, 23332, 32233, 32323, 32332, 33223, 33232, 33322, 41444, 44144, 44414, 44441, 555555, 666666, 1666666, 2255555, 2525555, 2552555, 2555255, 2555525, 2555552, 3334444, 3343444, 3344344, 3344434, 3344443

Offset: 1

Author

Eric Angelini, May 04 2005

Keywords

• base
• easy
• nonn

Comments

The subsequence of A108571 consisting of all terms that have at most one even and at most one odd digit (which of course may appear several times; otherwise said, no two different odd and no two different even digits are allowed). - M. F. Hasler, Sep 22 2014

Examples

			Integer 122 has 1 odd digit (1) and 2 even digits (2 and 2).
		

Crossrefs

Cf. A108571.

Extensions

More terms from M. F. Hasler, Sep 22 2014