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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A171291 Number of 1..17 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
17, 289, 4897, 82711, 1402159, 23725134, 401147200, 6788435995, 114800265705 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

column 17 of A171275.

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Sequence in context: A332799 A045607 A045606 * A128358 A015969 A001026

Adjacent sequences:  A171288 A171289 A171290 * A171292 A171293 A171294

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 October 17 05:00 EDT 2021. Contains 348048 sequences. (Running on oeis4.)