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A075461 Sorted list of solutions to the n-term Znam problem. 1
2, 3, 7, 47, 395, 2, 3, 11, 23, 31, 2, 3, 7, 43, 1823, 193667, 2, 3, 7, 47, 403, 19403, 2, 3, 7, 47, 415, 8111, 2, 3, 7, 47, 583, 1223, 2, 3, 7, 55, 179, 24323, 2, 3, 7, 43, 1807, 3263447, 2130014000915, 2, 3, 7, 43, 1807, 3263591, 71480133827, 2, 3, 7, 43 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,1

LINKS

Table of n, a(n) for n=5..62.

J. Janák and L. Skula, On the integers xi for which xi | x1 . . . xi-1 xi . . . xn + 1 holds, Mathematica Slovaca, Vol. 28 (1978), No. 3, 305--310.

J. Sondow and K. MacMillan, Primary pseudoperfect numbers, arithmetic progressions, and the Erdos-Moser equation, Amer. Math. Monthly, 124 (2017) 232-240; arXiv:math/1812.06566 [math.NT], 2018.

Eric Weisstein's World of Mathematics, Znam's Problem

EXAMPLE

The 5-term solutions are 2,3,7,47,395; 2,3,11,23,31. Followed by the five 6-term solutions, etc.

CROSSREFS

Cf. A075441.

Sequence in context: A283807 A257108 A274385 * A059785 A271041 A270402

Adjacent sequences:  A075458 A075459 A075460 * A075462 A075463 A075464

KEYWORD

nonn,tabf

AUTHOR

Eric W. Weisstein, Sep 16 2002

STATUS

approved

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Last modified May 19 13:11 EDT 2019. Contains 323393 sequences. (Running on oeis4.)