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A106360 Number of compositions of n with exactly 4 adjacent equal parts. 1
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; refs; listen; history; text; internal format)
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.
Sequence in context: A366938 A254608 A324275 * A024470 A024472 A279089
KEYWORD
nonn
AUTHOR
Christian G. Bower, Apr 29 2005
EXTENSIONS
Replaced broken link, Vaclav Kotesovec, May 01 2014
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)