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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.

A111016 Starting with the fraction 1/1, prime denominators of fractions built according to the rule: add top and bottom to get the new bottom, add top and 10 times bottom to get the new top.

Table of values

n a(n)
1 2
2 13
3 3457
4 17797573
5 105563930438375514795375041782813
6 548910881501677043216804568782519749
7 30150614379007816426425199846022140036752745857422145810701353231167111517347138427741849789

List of values

[2, 13, 3457, 17797573, 105563930438375514795375041782813, 548910881501677043216804568782519749, 30150614379007816426425199846022140036752745857422145810701353231167111517347138427741849789]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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