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A106360 Number of compositions of n with exactly 4 adjacent equal parts. +0
2
1, 0, 2, 9, 14, 33, 92, 189, 411, 926, 2016, 4219, 8935, 18805, 38808, 79928, 163963, 332676, 672036, 1352412, 2705019, 5385960, 10684650, 21105565, 41533076, 81467400, 159263257, 310372453, 603149241, 1168863180, 2259230907 (list; graph; listen)
OFFSET

5,3

LINKS

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

CROSSREFS

Column 4 of A106356. Cf. A003242.

Adjacent sequences: A106357 A106358 A106359 this_sequence A106361 A106362 A106363

Sequence in context: A043401 A045920 A071344 this_sequence A024470 A024472 A128780

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Apr 29 2005

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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