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A114902
Number of compositions of {1,..,n} such that no two adjacent parts are of equal size (labeled Carlitz compositions).
+0
4
1, 1, 1, 7, 21, 81, 793, 4929, 33029, 388537, 3751311, 37585989, 523395777, 6814401361, 90789460427, 1486639926417, 24213653736389, 403184436319401, 7665459211898263, 149067938821523349, 2971265450045056871
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Maintained by
N. J. A. Sloane
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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.
AT&T Labs Research
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