cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A112508 Counts the objects described in A047969 and A089246 when grouped by minimum part. (Row sums give A047970).

Original entry on oeis.org

1, 1, 1, 1, 1, 3, 1, 1, 3, 9, 1, 1, 3, 9, 29, 1, 1, 3, 9, 29, 101
Offset: 1

Views

Author

Alford Arnold, Sep 08 2005

Keywords

Examples

			Row 4 of the triangular array is (1 1 3 9) because there are nine tuples with a minimum value of 1, three tuples with a minimum value of 2, one tuple with a minimum value of 3 and one tuple with a minimum value of 4; the relevant unordered partitions are illustrated in the below Gaussian polynomial template:
4
31 32 33
211 221 222
1111
		

Crossrefs