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A226342 Number of nondecreasing -n..n vectors of length 3 whose dot product with some other -n..n vector equals 3. 1
4, 23, 74, 130, 242, 362, 578, 786, 1138, 1442, 1962, 2418, 3138, 3738, 4650, 5450, 6666, 7658, 9170, 10354, 12154, 13634, 15834, 17610, 20090, 22154, 25130, 27482, 30954, 33594, 37554, 40690, 45130, 48650, 53354, 57258, 62874, 67266, 73458, 78130 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=3:
0 -3 -3 -3 -1 -1 -3 1 0 -3 1 1 -2 -3 -3 -3
3 -2 2 -1 0 -1 0 2 0 0 2 1 0 3 -2 -2
3 3 3 2 0 0 2 2 1 1 3 1 3 3 -2 0
CROSSREFS
Row 3 of A226340.
Sequence in context: A065972 A132112 A226411 * A071246 A219933 A304305
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 04 2013
STATUS
approved

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Last modified June 22 06:24 EDT 2024. Contains 373565 sequences. (Running on oeis4.)