Notes on the Diophantine equation 𝑥²+7𝑦²=2ⁿ⁺²

Townes, S. B.

doi:10.1090/S0002-9939-1962-0142507-7

Proceedings of the American Mathematical Society

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Notes on the Diophantine equation $x^{2}+7y^{2}=2^{n+2}$
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by S. B. Townes

Proc. Amer. Math. Soc. 13 (1962), 864-869

DOI: https://doi.org/10.1090/S0002-9939-1962-0142507-7

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References

Thoralf Skolem, S. Chowla, and D. J. Lewis, The diophantine equation $2^{n+2}-7=x^{2}$ and related problems, Proc. Amer. Math. Soc. 10 (1959), 663–669. MR 109137, DOI 10.1090/S0002-9939-1959-0109137-4
Paromita Chowla, A class of Diophantine equations, Proc. Nat. Acad. Sci. U.S.A. 45 (1959), 569–570. MR 105391, DOI 10.1073/pnas.45.4.569