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Dihedral angle between mixed type faces of the truncated octahedron. - R. J. Mathar, Mar 24 2012
Table of n, a(n) for n=1..100.
Wikipedia, Truncated Octahedron
Sequence in context: A039683 A108084 A108085 * A193908 A193904 A154897
Adjacent sequences: A195695 A195696 A195697 * A195699 A195700 A195701
Clark Kimberling, Sep 23 2011