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A171307 T(n,m) = number of 0..m-1 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 44

%I #4 Mar 31 2012 12:35:37

%S 1,2,0,3,3,0,4,8,4,0,5,15,19,3,0,6,24,53,29,3,0,7,35,110,138,57,3,0,8,

%T 48,198,412,483,122,3,0,9,63,319,963,1918,1678,272,3,0,10,80,485,1897,

%U 5607,8708,5634,565,3,0,11,99,698,3414,12970,31888,39178,18915,1199,3,0,12

%N T(n,m) = number of 0..m-1 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

%C Table begins

%C .1.2......3.........4...........5............6............7............8

%C .0.3......8........15..........24...........35...........48...........63

%C .0.4.....19........53.........110..........198..........319..........485

%C .0.3.....29.......138.........412..........963.........1897.........3414

%C .0.3.....57.......483........1918.........5607........12970........27058

%C .0.3....122......1678........8708........31888........87237.......211421

%C .0.3....272......5634.......39178.......179072.......581303......1634504

%C .0.3....565.....18915......177032......1008910......3899879.....12690548

%C .0.3...1199.....62325......787715......5618555.....25916198.....97813140

%C .0.3...2510....204315.....3506973.....31323420....172441114....754163531

%C .0.3...5218....683210....15792653....175887250...1153047367...5834768558

%C .0.3..10782...2277118....70939799....985154365...7693977737..45059524937

%C .0.3..22794...7559559...317938418...5505577418..51259291732.347529017647

%C .0.3..48127..25132611..1427686705..30781490317.341879045181

%C .0.3..99220..83206528..6389256951.171763237854

%C .0.3.202249.274465209.28533745889

%C .0.3.415900.907716605

%C .0.3.855057

%C .0.3

%C .0

%H R. H. Hardin, <a href="/A171307/b171307.txt">Table of n, a(n) for n=1..222</a>

%K nonn,tabl

%O 1,2

%A _R. H. Hardin_ Dec 06 2009

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)