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Search: id:A001574
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A001574 Colored series-parallel networks.
(Formerly M2029 N0801) 		+0
1
0, 2, 12, 60, 292, 1438, 7180, 36566 (list; graph; listen)
OFFSET

1,2
REFERENCES

J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 159.

CROSSREFS

Adjacent sequences: A001571 A001572 A001573 this_sequence A001575 A001576 A001577

Sequence in context: A062478 A005430 A094434 this_sequence A074445 A038154 A061834

KEYWORD

nonn

AUTHOR

njas

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Last modified January 7 11:41 EST 2009. Contains 152824 sequences.

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