A001575 Colored series-parallel networks. (Formerly M4567 N1944)

0, 0, 8, 102, 948, 7900, 62928, 491832

Offset

1,3

References

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

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..8.

Crossrefs

Sequence in context: A318551 A307461 A318213 * A366016 A328061 A305603

Adjacent sequences: A001572 A001573 A001574 * A001576 A001577 A001578

Keyword

nonn,more

Author

N. J. A. Sloane

Status

approved