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A134226 A134082 + A002260 - I as infinite lower triangular matrices; I = Identity matrix. +0
2
1, 2, 2, 1, 5, 3, 1, 2, 8, 4, 1, 2, 3, 11, 5, 1, 2, 3, 4, 14, 6, 1, 2, 3, 4, 5, 17, 7, 1, 2, 3, 4, 5, 6, 20, 8, 1, 2, 3, 4, 5, 6, 7, 23, 9, 1, 2, 3, 4, 5, 6, 7, 8, 26, 10 (list; table; graph; listen)
OFFSET

1,2

COMMENT

Row sums = A134227: (1, 4, 9, 15, 22, 30, 39,...).

EXAMPLE

First few rows of the triangle are:

1;

2, 2;

1, 5, 3;

1, 2, 8, 4;

1, 2, 3, 11, 5;

1, 2, 3, 4, 14, 6;

1, 2, 3, 4, 5, 17, 7;

...

CROSSREFS

Cf. A134082, A002260, A134227.

Sequence in context: A102849 A088333 A016538 this_sequence A127742 A110438 A121460

Adjacent sequences: A134223 A134224 A134225 this_sequence A134227 A134228 A134229

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 14 2007

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Last modified December 4 21:35 EST 2008. Contains 151309 sequences.


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