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Table of n, a(n) for n=0..20.
N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.
Sequence in context: A230856 A109478 A200426 * A121732 A028525 A135046
Adjacent sequences: A109473 A109474 A109475 * A109477 A109478 A109479
N. J. A. Sloane and Nadia Heninger, Aug 29 2005