1,1
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Sequence in context: A056041 A083017 A052087 * A006055 A052017 A062088
Adjacent sequences: A006507 A006508 A006509 * A006511 A006512 A006513
dead