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A189333 Number of nondecreasing arrangements of 10 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, 18, 40, 120, 157, 393, 374, 866, 775, 1426, 1261, 2448, 1761, 3006, 2890, 4232, 3063, 5605, 3802, 6615, 5533, 6899, 5188, 10472, 5864, 8986, 7964, 11411, 7088, 13830, 7645, 13841, 10360, 12801, 9755, 19139, 9300, 15031, 12334, 20347, 10558, 20918 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 8 of A189326

LINKS

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

EXAMPLE

Some solutions for n=3

..0....0....1....1....1....1....1....0....1....0....0....0....1....1....0....1

..1....1....1....1....1....1....1....1....1....1....1....1....1....1....3....3

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

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

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

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

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

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

..3....3....3....2....3....3....3....2....3....3....2....3....3....2....3....3

..3....3....3....3....3....3....3....3....3....3....3....3....3....3....3....3

CROSSREFS

Sequence in context: A137308 A050594 A098857 * A072278 A296266 A280316

Adjacent sequences: A189330 A189331 A189332 * A189334 A189335 A189336

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 20 2011

STATUS

approved

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Last modified February 3 12:24 EST 2023. Contains 360035 sequences. (Running on oeis4.)