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A124768 Number of strictly increasing runs for compositions in standard order. +0
2
0, 1, 1, 2, 1, 2, 1, 3, 1, 2, 2, 3, 1, 2, 2, 4, 1, 2, 2, 3, 1, 3, 2, 4, 1, 2, 2, 3, 2, 3, 3, 5, 1, 2, 2, 3, 2, 3, 2, 4, 1, 2, 3, 4, 2, 3, 3, 5, 1, 2, 2, 3, 1, 3, 2, 4, 2, 3, 3, 4, 3, 4, 4, 6, 1, 2, 2, 3, 2, 3, 2, 4, 1, 3, 3, 4, 2, 3, 3, 5, 1, 2, 2, 3, 2, 4, 3, 5, 2, 3, 3, 4, 3, 4, 4, 6, 1, 2, 2, 3, 2, 3, 2, 4, 1 (list; graph; listen)
OFFSET

0,4

COMMENT

The standard order of compositions is given by A066099.

FORMULA

a(0) = 0, a(n) = A124763(n) + 1 for n > 0.

EXAMPLE

Composition number 11 is 2,1,1; the strictly increasing runs are 2; 1; 1; so a(11) = 3.

The table starts:

0

1

1 2

1 2 1 3

CROSSREFS

Cf. A066099, A124763, A011782 (row lengths).

Sequence in context: A066075 A072347 A136107 this_sequence A072527 A081373 A029436

Adjacent sequences: A124765 A124766 A124767 this_sequence A124769 A124770 A124771

KEYWORD

easy,nonn,tabf

AUTHOR

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

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.


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