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R. K. Guy, Unsolved Problems in Number Theory, E16.
Table of n, a(n) for n=0..61.
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 1).
Sequence in context: A056770 A061038 A058231 * A033973 A033356 A158955
Adjacent sequences: A008891 A008892 A008893 * A008895 A008896 A008897
N. J. A. Sloane.