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A133188 Natural numbers listed in three columns: if A004526(n-1) = 0 then row n lists A004526(n-1), A004526(n), 1, otherwise row n lists 1, A004526(n), A004526(n-1). 0
0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 3, 2, 1, 3, 3, 1, 4, 3, 1, 4, 4, 1, 5, 4, 1, 5, 5, 1, 6, 5, 1, 6, 6, 1, 7, 6, 1, 7, 7, 1, 8, 7, 1, 8, 8, 1, 9, 8, 1, 9, 9, 1, 10, 9, 1, 10, 10, 1, 11, 10, 1, 11, 11, 1, 12, 11, 1, 12, 12, 1, 13, 12, 1, 13, 13, 1, 14, 13, 1, 14, 14, 1, 15, 14, 1, 15, 15 (list; graph; refs; listen; history; internal format)
OFFSET

1,11

COMMENTS

0, 0, 1;

0, 1, 1;

1, 1, 1;

1, 2, 1;

1, 2, 2;

1, 3, 2;

...

The sum of row n is equal to n. See A004526 (integers repeated), which is the main entry for this sequence. - Omar E. Pol (info(AT)polprimos.com), Mar 19 2008

CROSSREFS

Cf. A004526.

Sequence in context: A143323 A086598 A074746 * A008612 A029320 A187450

Adjacent sequences:  A133185 A133186 A133187 * A133189 A133190 A133191

KEYWORD

nonn,easy

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Oct 08 2007

EXTENSIONS

Edited by Omar E. Pol (info(AT)polprimos.com), Mar 19 2008

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Last modified February 16 10:07 EST 2012. Contains 205904 sequences.