id:A001440 - OEIS Search Results

Search: id:A001440

Displaying 1-1 of 1 results found.

page 1

Number of symmetric Costas arrays of order n that are inequivalent under dihedral group.

+0
4

1, 1, 1, 1, 2, 5, 10, 9, 10, 14, 18, 17, 25, 23, 31, 20, 19, 10, 6, 4, 8, 5, 10, 0, 2, 2, 7, 0, 5, 4, 0, 0 (list; graph; listen)

	OFFSET	`1,5`
	REFERENCES	`CRC Handbook of Combinatorial Designs, C. Colbourn and J. Dinitz Eds., 1996, IV.7: Costas Arrays by Herbert Taylor (IV.7.6, page 259, Table 2.29).`
	CROSSREFS	`Cf. A008404, A001441, A001442.` `Sequence in context: A126842 A154680 A140469 this_sequence A097378 A078310 A138848` `Adjacent sequences: A001437 A001438 A001439 this_sequence A001441 A001442 A001443`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.