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A171326
Number of 0..20 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
21, 440, 9178, 188356, 3959768, 83153605, 1738979798, 36412811648, 761311432412
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OFFSET
1,1
COMMENTS
column 21 of
A171307
.
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Sequence in context:
A215856
A297692
A218840
*
A092499
A207776
A207273
Adjacent sequences:
A171323
A171324
A171325
*
A171327
A171328
A171329
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 06 2009
STATUS
approved
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Last modified May 1 23:54 EDT 2024. Contains 372178 sequences. (Running on oeis4.)