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A137587 Triangle read by rows: A051731 * A026794. +0
3
1, 2, 1, 3, 0, 1, 5, 2, 0, 1, 6, 1, 0, 0, 1, 11, 3, 2, 0, 0, 1, 12, 2, 1, 0, 0, 0, 1, 20, 6, 1, 2, 0, 0, 0, 1, 25, 4, 3, 1, 0, 0, 0, 1, 37, 9, 2, 1, 2, 0, 0, 0, 0, 1, 43, 8, 3, 1, 1, 0, 0, 0, 0, 0, 1, 70, 16, 6, 3, 1, 2, 0, 0, 0, 0, 0, 1 (list; table; graph; listen)
OFFSET

1,2

COMMENT

Left column = A083710 starting (1, 2, 3, 5, 6, 11, 12,...). Row sums = A047968.

FORMULA

Inverse mobius transform of the partition triangle, A026794

EXAMPLE

First few rows of the triangle are:

1;

2, 1;

3, 0, 1;

5, 2, 0, 1;

6, 1, 0, 0, 1;

11, 3, 2, 0, 0, 1;

12, 2, 1, 0, 0, 0, 1;

20, 6, 1, 2, 0, 0, 0, 1;

25, 4, 3, 1, 0, 0, 0, 0, 1;

...

CROSSREFS

Cf. A026794, A051731, A083710, A047968.

Sequence in context: A130026 A113287 A096798 this_sequence A137639 A113288 A035215

Adjacent sequences: A137584 A137585 A137586 this_sequence A137588 A137589 A137590

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 27 2008

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.


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