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# User:Adi Dani

### From OeisWiki

I'm teacher of math in secondary school and my primary interest is combinatorics especially theory of compositions and partitions of natural numbers and sets.

- Restricted compositions of natural numbers
- Generalized Pascal triangle
- Compositions of_natural numbers over arithmetic progressions
- Compositions and Partitions of sets over N
_{p}

## Contents |

## Note on notations

- (1)...... the set of natural numbers
- (2)......
- (3)......
- (4)......
- (5)......
- (6)......
- (7)......

## Composition of natural number k over set S

## Partitions of natural number *k* over set S

## Composition of a k-set over set S

## Partition of a k-set over set S