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A124758 Product of compositions in standard order. +0
1
1, 1, 2, 1, 3, 2, 2, 1, 4, 3, 4, 2, 3, 2, 2, 1, 5, 4, 6, 3, 6, 4, 4, 2, 4, 3, 4, 2, 3, 2, 2, 1, 6, 5, 8, 4, 9, 6, 6, 3, 8, 6, 8, 4, 6, 4, 4, 2, 5, 4, 6, 3, 6, 4, 4, 2, 4, 3, 4, 2, 3, 2, 2, 1, 7, 6, 10, 5, 12, 8, 8, 4, 12, 9, 12, 6, 9, 6, 6, 3, 10, 8, 12, 6, 12, 8, 8, 4, 8, 6, 8, 4, 6, 4, 4, 2, 6, 5, 8, 4, 9, 6 (list; graph; listen)
OFFSET

0,3

COMMENT

The standard order of compositions is given by A066099.

FORMULA

For a composition b(1),...,b(k), a(n) = Product_{i=1}^k b(i).

EXAMPLE

Composition number 11 is 2,1,1; 2*1*1 = 2, so a(11) = 2.

The table starts:

1

1

2 1

3 2 2 1

CROSSREFS

Cf. A066099, A070939, A118851, A011782 (row lengths), A001906 (row sums).

Sequence in context: A038571 A008687 A080801 this_sequence A071481 A084216 A057514

Adjacent sequences: A124755 A124756 A124757 this_sequence A124759 A124760 A124761

KEYWORD

easy,nonn,tabf

AUTHOR

Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Nov 06 2006

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.


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