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A072250 Related to cyclotomic numbers of hypergraphs. 0
0, 0, 2, 8, 20, 41, 73, 121, 186, 276, 390, 540, 722, 953, 1225, 1561 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

LINKS

Table of n, a(n) for n=3..18.

J. Wang and H. Li, The upper bound of essential cyclotomic numbers of hypergraphs, Discr. Math. 254 (2002), 555-564.

CROSSREFS

Sequence in context: A058037 A203420 A048096 * A220908 A057566 A009303

Adjacent sequences:  A072247 A072248 A072249 * A072251 A072252 A072253

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jul 06 2002

STATUS

approved

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Last modified November 15 11:35 EST 2018. Contains 317238 sequences. (Running on oeis4.)