A112852 - OEIS

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A112852

Table with row lengths 1 1 2 3 5 9 17 33 65 ... which counts the objects described in A047970 and A112508.

1

1, 2, 4, 1, 7, 6, 1, 11, 20, 8, 3, 1, 16, 50, 33, 21, 10, 3, 6, 4, 1, 22, 105, 98, 81, 49, 21, 48, 36, 12, 3, 6, 12, 10, 4, 10, 5, 1, 29, 196, 238, 231, 168, 81, 210, 168, 68

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

COMMENTS

The row sums are 1 2 5 14 43 144 523 2048 8597 ... A047970. The columns are essentially A000124, A002415, A051836, A112851, A051947, ...

LINKS

Table of n, a(n) for n=0..46.

EXAMPLE

The table begins

1

2

4 1

7 6 1

11 20 8 3 1

16 50 33 21 10 3 6 4 1

22 105 98 81 49 21

CROSSREFS

Cf. A000124, A002415, A051836, A112851, A051947, A047970, A112508.

Sequence in context: A207610 A207616 A105552 * A121531 A367065 A360180

Adjacent sequences: A112849 A112850 A112851 * A112853 A112854 A112855

KEYWORD

nonn,tabf

AUTHOR

Alford Arnold, Sep 24 2005

STATUS

approved