OFFSET
0,3
COMMENTS
Computation of tree based structure as detailed in Mallows Jun 1991 letter produces A000085. - Sean A. Irvine, Mar 06 2018
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
C. L. Mallows & N. J. A. Sloane, Emails, May 1991
C. L. Mallows & N. J. A. Sloane, Emails, Jun. 1991
CROSSREFS
KEYWORD
dead
AUTHOR
STATUS
approved