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.

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A133426 Analog of A060410 for the 7x+1 problem (cf. A133421).

Original entry on oeis.org

8, 50, 162, 470, 9584, 28400, 91890, 193040, 265070, 291824, 337100, 388830, 524070, 3231824, 18052070, 30949850, 31021880, 65552768, 774659600, 10276607888, 38128783428, 190067750300, 4835458627140, 25515567812750
Offset: 1

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Author

N. J. A. Sloane, Nov 27 2007

Keywords

Comments

The 7x+1 map sends x to x/2 if x is even, x/3 if x is divisible by 3, x/5 if x is divisible by 5, otherwise 7x+1.

Links

Crossrefs

Cf. A133421, A133425, A133419, ...
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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