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Table of n, a(n) for n=0..20.
Tanh[ Log[ 1+x ]/Cosh[ x ] ]
Sequence in context: A320346 A305542 A232899 * A135190 A101069 A225259
Adjacent sequences: A009784 A009785 A009786 * A009788 A009789 A009790
R. H. Hardin
Extended with signs by Olivier Gérard, Mar 15 1997