A022503 Describe the previous term! (method B - initial term is 7).

7, 71, 7111, 7113, 711231, 7112213111, 711222113113, 71122312311231, 7112223111213112213111, 71122331132111311222113113, 711222321231211331122312311231

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• base
• easy
• nice

Comments

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

Examples

			E.g. the term after 7113 is obtained by saying "7 once, 1 twice, 3 once", which gives 711231.
		

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..23

Crossrefs

Cf. A007651, A022470, A022499, A022500-A022505.