N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
H.-Y. Song and S. W. Golomb, Generalized Welch-Costas sequences and their application to Vatican arrays, in Proc. 2nd International Conference on Finite Fields: Theory, Algorithms and Applications (Las Vegas 1993) Contemp. Math. vol. 168 348 1994.
Hong-Yeop Song and J. Bok Lee, "On (n,k)-sequences", Discrete Appl. Math. 105 (2000), no. 1-3, 183-192.