login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A008403 G-symmetric Costas arrays of order n that are inequivalent under dihedral group but are not given by the Welch construction. 3
0, 0, 0, 0, 1, 1, 0, 3, 0, 14, 0, 32, 4, 31, 0, 45, 0, 2, 0, 3, 0, 0, 0 (list; graph; refs; listen; history; internal format)
OFFSET

1,8

REFERENCES

CRC Handbook of Combinatorial Designs, C. Colbourn and J. Dinitz, Editors, IV.7: Costas Arrays by Herbert Taylor (IV.7.6, page 259, Table 2.29).

LINKS

Eric Weisstein's World of Mathematics, Costas Array

CROSSREFS

Cf. A008404, A001440, A001441, A001442.

Sequence in context: A135687 A057374 A058896 * A138349 A135399 A065121

Adjacent sequences:  A008400 A008401 A008402 * A008404 A008405 A008406

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 13 16:05 EST 2012. Contains 205522 sequences.