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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A226727 Places n where A225867(n)=5.

Original entry on oeis.org

30, 43, 45, 60, 61, 73, 75, 90, 97, 120, 137, 151, 160, 169, 173, 180, 197, 240, 241, 257, 259, 311, 320, 331, 347, 360, 367, 389, 400, 421, 480, 491, 499, 569, 571, 601, 617, 640, 641, 647, 709, 720, 773, 800, 809, 857, 881, 919, 929, 947, 960, 971
Offset: 1

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Author

Vladimir Shevelev, Jun 29 2013

Keywords

Comments

The proportion of prime terms has a tendency to increase. For example, 4 from the first 10 terms; 10 from the first 20 terms; 16 from the first 30 terms; 24 from the first 40 terms; 40 from the first 60 terms, 88 from the first 110 terms. We conjecture that this proportion asymptotically tends to 1.

Crossrefs

Cf. A225867, A225868, A226977, A227010.
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