The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A171341 Number of 1..n integer arrays v[1..4] of length 4 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..3 0
1, 15, 74, 240, 597, 1235, 2318, 3978, 6399, 9781, 14388, 20364, 28141, 37907, 49986, 64790, 82711, 103983, 129254, 158720, 193017, 232639, 278134, 329748, 388427, 454593, 528832, 611758, 704263, 806483, 919866, 1044640 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
row 4 of A171275.
LINKS
CROSSREFS
Sequence in context: A212562 A212092 A022817 * A080841 A022675 A214453
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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 18 17:16 EDT 2024. Contains 373482 sequences. (Running on oeis4.)