0,2
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Sequence in context: A011969 A003187 A003186 * A000214 A060955 A024329
Adjacent sequences: A006823 A006824 A006825 * A006827 A006828 A006829
dead