A171295 Number of 1..21 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

21, 441, 9239, 193017, 4046097, 84702206, 1772179733, 37103518720, 776455731351

Offset

1,1

Comments

column 21 of A171275.

Links

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

Crossrefs

Sequence in context: A189060 A224009 A167255 * A009965 A285873 A189433

Adjacent sequences: A171292 A171293 A171294 * A171296 A171297 A171298

Keyword

nonn

Author

R. H. Hardin Dec 06 2009

Status

approved