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!)
A171308 Number of 0..2 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
3, 8, 19, 29, 57, 122, 272, 565, 1199, 2510, 5218, 10782, 22794, 48127, 99220, 202249, 415900, 855057, 1747383, 3572839, 7297948, 14809245, 30091650, 61043576 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

column 3 of A171307.

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Sequence in context: A091109 A219391 A123982 * A113535 A184444 A139020

Adjacent sequences:  A171305 A171306 A171307 * A171309 A171310 A171311

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 September 22 18:56 EDT 2021. Contains 347608 sequences. (Running on oeis4.)