Geodesic
A note on the diophantine equation x2 + 7 = yn
Glasgow mathematical journal, Tome 39 (1997) no. 1, pp. 59-63

Voir la notice de l'article provenant de la source Cambridge University Press

In this note we prove that the equation x2 + 1 = yn, x, y, n ɛ N, n>2, has no solutions (x, y, n)with 2 × y. Moreover, all solutions (x, y, n)of the equation with 2| y satisfy n < 5. 106 and y < exp exp exp 30. 
Le, Maohua. A note on the diophantine equation x2 + 7 = yn. Glasgow mathematical journal, Tome 39 (1997) no. 1, pp. 59-63. doi: 10.1017/S0017089500031918
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