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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
OFFSET
1,2
COMMENTS
row 4 of A171275.
CROSSREFS
Sequence in context: A212562 A212092 A022817 * A080841 A022675 A214453
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 06 2009
STATUS
approved