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A184697 Number of strings of numbers x(i=1..n) in 0..3 with sum i*x(i) equal to n*3 1
1, 2, 6, 14, 34, 74, 154, 304, 580, 1066, 1901, 3304, 5610, 9332, 15241, 24476, 38721, 60418, 93088, 141765, 213590, 318608, 470873, 689907, 1002660, 1446141, 2070897, 2945590, 4163079, 5848345, 8168863, 11348145, 15683285, 21567664, 29520301 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A184703

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

All solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A257557 A124612 A230439 * A124613 A296626 A124614

Adjacent sequences:  A184694 A184695 A184696 * A184698 A184699 A184700

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 20 2011

STATUS

approved

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Last modified January 17 18:14 EST 2020. Contains 330987 sequences. (Running on oeis4.)