A112852 Table with row lengths 1 1 2 3 5 9 17 33 65 ... which counts the objects described in A047970 and A112508.

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

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