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A106359 Number of compositions of n with exactly 3 adjacent equal parts. 0
1, 0, 2, 8, 13, 28, 72, 150, 311, 678, 1428, 2864, 5912, 12102, 24168, 48448, 96599, 190544, 375276, 736086, 1435046, 2788930, 5402468, 10424094, 20053479, 38470242, 73582008, 140379426, 267176911, 507295558, 961112738, 1817176426 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,3

LINKS

Table of n, a(n) for n=4..35.

A. Knopfmacher and H. Prodinger, On Carlitz compositions, European Journal of Combinatorics, Vol. 19, 1998, pp. 579-589.

CROSSREFS

Column 3 of A106356. Cf. A003242.

Sequence in context: A196024 A037382 A095825 * A077241 A228469 A066567

Adjacent sequences:  A106356 A106357 A106358 * A106360 A106361 A106362

KEYWORD

nonn

AUTHOR

Christian G. Bower, Apr 29 2005

STATUS

approved

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Last modified April 19 08:09 EDT 2014. Contains 240739 sequences.