login
A189331
Number of nondecreasing arrangements of 8 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four
1
2, 14, 28, 70, 84, 179, 157, 321, 283, 461, 390, 720, 482, 784, 747, 988, 684, 1299, 796, 1371, 1121, 1395, 973, 2066, 1061, 1707, 1531, 2058, 1207, 2624, 1282, 2386, 1968, 2303, 1599, 3439, 1482, 2615, 2372, 3304, 1705, 3744, 1798, 3430, 2993, 3157, 1975
OFFSET
1,1
COMMENTS
Row 6 of A189326
LINKS
EXAMPLE
Some solutions for n=3
..0....0....1....1....0....1....1....1....2....1....0....1....3....0....0....1
..1....3....1....1....1....3....1....1....3....1....1....1....3....1....1....1
..1....3....1....1....1....3....1....2....3....1....1....1....3....1....1....1
..1....3....1....2....2....3....2....3....3....1....2....1....3....1....1....1
..2....3....2....2....3....3....3....3....3....1....2....1....3....1....1....1
..3....3....3....2....3....3....3....3....3....1....2....2....3....2....1....2
..3....3....3....3....3....3....3....3....3....2....3....3....3....3....2....2
..3....3....3....3....3....3....3....3....3....3....3....3....3....3....3....3
CROSSREFS
Sequence in context: A355864 A200039 A281206 * A157023 A101554 A057018
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 20 2011
STATUS
approved