cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A214556 Subsequence of fixed points A099009 of the Kaprekar mapping with numbers of the form 6//3(n)//17//6(n)//4.

Original entry on oeis.org

6174, 631764, 63317664, 6333176664, 633331766664, 63333317666664, 6333333176666664, 633333331766666664, 63333333317666666664, 6333333333176666666664, 633333333331766666666664
Offset: 0

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Author

Syed Iddi Hasan, Jul 20 2012

Keywords

Comments

The symbols // denote concatenation of digits in the definition, and d(n) denotes n repetitions of d, n >= 0.

Examples

			631764 is a fixed point of the mapping for n=1.
		

Crossrefs

Formula

If d(n) denotes n repetitions of the digit d, then a(n) = 63(n)176(n)4, where n >= 0.