A029890 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A029890

Number of odd graphical partitions.

2

1, 2, 7, 20, 70, 234, 832, 2956, 10759, 39394, 145892, 543564, 2038831, 7684116, 29092055, 110550260, 421495147, 1611662256

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

REFERENCES

R. A. Brualdi, H. J. Ryser, Combinatorial Matrix Theory, Cambridge Univ. Press, 1992.

LINKS

Table of n, a(n) for n=1..18.

Index entries for sequences related to graphical partitions

FORMULA

Calculated using Cor. 6.3.3, Th. 6.3.6, Cor. 6.2.5 of Brualdi-Ryser.

CROSSREFS

Cf. A000569, A004250, A004251, A029889.

Sequence in context: A318232 A304787 A115117 * A095268 A118397 A171191

Adjacent sequences: A029887 A029888 A029889 * A029891 A029892 A029893

KEYWORD

nonn

AUTHOR

TORSTEN.SILLKE(AT)LHSYSTEMS.COM

STATUS

approved