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Also the decimal expansion of cotangent of 68 degrees. - Mohammad K. Azarian, Jun 30 2013
Ivan Panchenko, Table of n, a(n) for n = 0..1000
Sequence in context: A147986 A147988 A230031 * A246130 A010675 A035673
Adjacent sequences: A019917 A019918 A019919 * A019921 A019922 A019923
N. J. A. Sloane.