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A226341 Number of nondecreasing -n..n vectors of length 2 whose dot product with some other -n..n vector equals 2 2
3, 14, 22, 34, 50, 66, 90, 114, 138, 170, 210, 234, 282, 330, 362, 410, 474, 522, 594, 642, 690, 770, 858, 906, 986, 1082, 1154, 1226, 1338, 1402, 1522, 1618, 1698, 1826, 1922, 1994, 2138, 2282, 2378, 2474, 2634, 2730, 2898, 3018, 3114, 3290, 3474, 3570, 3738 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 2 of A226340

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

.-1...-2....2...-2....2....1....1...-3...-3...-2....1...-1...-2...-3....0...-1

..2...-1....2....2....3....3....2....1...-2....1....1....0...-2...-1....1....3

CROSSREFS

Sequence in context: A300216 A258218 A255219 * A024473 A024598 A019001

Adjacent sequences:  A226338 A226339 A226340 * A226342 A226343 A226344

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 04 2013

STATUS

approved

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Last modified February 24 17:29 EST 2020. Contains 332209 sequences. (Running on oeis4.)