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A006606
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Nonperiodic autocorrelation functions of length n.
(Formerly M0770)
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0
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1, 2, 3, 6, 10, 20, 36, 72, 135, 272, 528, 1048, 2080, 4160, 8242, 16500, 32895, 65750, 131328, 262612, 524733
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
E. G. Whitehead, Jr., Autocorrelation of (+1,-1) matrices, pp. 329-336 of Combinatorial Mathematics (Canberra, 1977), Lect. Notes Math. 686, 1978.
E. G. Whitehead, Jr., Autocorrelation of (+1,-1) matrices, pp. 329-336 of Combinatorial Mathematics (Canberra, 1977), Lect. Notes Math. 686, 1978. [From Jayadev Acharya (jayadev(AT)ucsd.edu), Aug 20 2009]
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LINKS
| Author?, Title? [From Jayadev Acharya (jayadev(AT)ucsd.edu), Aug 20 2009]
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CROSSREFS
| Sequence in context: A047131 A008927 A052525 * A120421 A005418 A002215
Adjacent sequences: A006603 A006604 A006605 * A006607 A006608 A006609
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from a(16) Jayadev Acharya (jayadev(AT)ucsd.edu), Aug 20 2009
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