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A028388 Good primes (version 2): p_n such that (p_n)^2 > p_{n-i}p_{n+i} for all 1 <= i <= n-1. +0
11
5, 11, 17, 29, 37, 41, 53, 59, 67, 71, 97, 101, 127, 149, 179, 191, 223, 227, 251, 257, 269, 307, 311, 331, 347, 419, 431, 541, 557, 563, 569, 587, 593, 599, 641, 727, 733, 739, 809, 821, 853, 929, 937, 967, 1009, 1031, 1087, 1151, 1213, 1277 (list; graph; listen)
OFFSET

1,1

REFERENCES

Guy, R. K. `Good' Primes and the Prime Number Graph. A14 in Unsolved Problems in Number Theory, 2nd ed. Springer-Verlag, pp. 32-33, 1994.

LINKS

T. D. Noe, Table of n, a(n) for n=1..10000

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A046869.

Sequence in context: A023489 A108294 A046869 this_sequence A067606 A046135 A162336

Adjacent sequences: A028385 A028386 A028387 this_sequence A028389 A028390 A028391

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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