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A124762 Number of levels for compositions in standard order. 5
0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 1, 1, 0, 0, 1, 3, 0, 0, 0, 1, 0, 1, 0, 2, 0, 0, 1, 1, 1, 1, 2, 4, 0, 0, 0, 1, 1, 0, 0, 2, 0, 0, 2, 2, 0, 0, 1, 3, 0, 0, 0, 1, 0, 1, 0, 2, 1, 1, 2, 2, 2, 2, 3, 5, 0, 0, 0, 1, 0, 0, 0, 2, 0, 1, 1, 1, 0, 0, 1, 3, 0, 0, 0, 1, 1, 2, 1, 3, 0, 0, 1, 1, 1, 1, 2, 4, 0, 0, 0, 1, 1, 0, 0, 2, 0 (list; graph; refs; listen; history; internal format)
OFFSET

0,8

COMMENTS

The standard order of compositions is given by A066099.

FORMULA

For a composition b(1),...,b(k), a(n) = Sum_{1<=i=1<k, b(i)=b(i+1)} 1.

EXAMPLE

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

The table starts:

0

0

0 1

0 0 0 2

CROSSREFS

Cf. A066099, A124760, A124761, A124763, A124764, A011782 (row lengths), A059570 (row sums), A124767.

Sequence in context: A170957 A178725 A139354 * A057558 A159708 A144625

Adjacent sequences:  A124759 A124760 A124761 * A124763 A124764 A124765

KEYWORD

easy,nonn,tabf

AUTHOR

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

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.