OFFSET
0,3
REFERENCES
Z. A. Lomnicki, Two-terminal series-parallel networks, Adv. Appl. Prob., 4 (1972), 109-150.
LINKS
Sameen Ahmed KHAN, Mathematica notebook for A153588 and A058351
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 16 2000
STATUS
approved