login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

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 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A171302 Number of 1..28 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1 0
28, 784, 21920, 611758, 17110793, 478246241, 13361842670, 373489063240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

column 28 of A171275.

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

Sequence in context: A224351 A224193 A224010 * A189901 A189907 A189339

Adjacent sequences:  A171299 A171300 A171301 * A171303 A171304 A171305

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 06 2009

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 1 04:02 EST 2021. Contains 349426 sequences. (Running on oeis4.)