A022513 Describe previous term from the right (method A - initial term is 9).

9, 19, 1911, 211911, 21192112, 122112192112, 122112191112212211, 2122112231191112212211, 21221122311921132221221112, 12312211321321121921132221221112

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• base
• easy
• nice

Comments

Method A = 'frequency' followed by 'digit'-indication.

Examples

			E.g., the term after 1911 is obtained by saying "two 1's, one 9, one 1", which gives 211911.
		

Crossrefs

Cf. A005150, A022506, A006711, A022482, A022507-A022512.

Extensions

More terms from Erich Friedman