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A202694 The third of three triangles counting 3-colored alternating permutations by their last value. 11
1, 2, 3, 5, 3, 0, 46, 51, 54, 54, 205, 159, 108, 54, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

M. Josuat-Verges, J.-C. Novelli and J.-Y. Thibon, The algebraic combinatorics of snakes, arXiv preprint arXiv:1110.5272 [math.CO], 2011.

EXAMPLE

Triangle begins:

1

2 3

5 3 0

46 51 54 54

205 159 108 54 0

...

CROSSREFS

See A202692 for further information.

Cf. A202693.

Sequence in context: A113195 A069110 A238684 * A123221 A197032 A321781

Adjacent sequences:  A202691 A202692 A202693 * A202695 A202696 A202697

KEYWORD

nonn,tabl,more

AUTHOR

N. J. A. Sloane, Dec 23 2011

STATUS

approved

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Last modified May 16 22:04 EDT 2021. Contains 343955 sequences. (Running on oeis4.)