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A122530 Decreasing runs. The size of each run is given by the sequence itself. First run starts with "1", second with "2", third with "3", fourth with "4", etc. +0
1
1, 2, 1, 3, 4, 3, 2, 5, 4, 3, 2, 6, 5, 4, 7, 6, 8, 7, 6, 5, 4, 9, 8, 7, 6, 10, 9, 8, 11, 10, 12, 11, 10, 9, 8, 7, 13, 12, 11, 10, 9, 14, 13, 12, 11, 15, 14, 13, 12, 11, 10, 9, 16, 15, 14, 13, 12, 11, 17, 16, 15, 14, 13, 12, 11, 10, 18, 17, 16, 15, 14, 13, 12, 19, 18, 17, 16, 15, 14, 20 (list; graph; listen)
OFFSET

1,2

COMMENT

Terms computed by Gilles Sadowski

EXAMPLE

S is the sequence and R is the size of each run:

S=1,2,1,3,4,3,2,5,4,3,2,6,5,4,7,6,8,7,6,5,4,9,8,7,6,10,9,8,11,10...

S=1,(2,1),(3),(4,3,2),(5,4,3,2),(6,5,4),(7,6),(8,7,6,5,4)...

R=1 2 1 3 4 3 2 5... = sequence S

CROSSREFS

Sequence in context: A059126 A059128 A050273 this_sequence A022466 A144254 A133310

Adjacent sequences: A122527 A122528 A122529 this_sequence A122531 A122532 A122533

KEYWORD

base,easy,nonn

AUTHOR

Eric Angelini (eric.angelini(AT)kntv.be), Sep 17 2006

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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