A179314 An irregular table of values refining Table A061260.

1, 2, 1, 3, 2, 1, 5, 3, 3, 2, 1, 7, 5, 6, 3, 3, 2, 1, 11, 7, 10, 6, 5, 6, 4, 3, 3, 2, 1, 15, 11, 14, 15, 7, 10, 6, 9, 5, 6, 4, 3, 3, 2, 1

Offset: 1

Author

Alford Arnold, Jul 19 2010

Keywords

• nonn
• tabf
• uned

Comments

The row sum sequence A001970 and Table A061260 count partitions of partitions.

Examples

			Row six Col three of A061260 can be derived from partitions 4+1+1, 3+2+1, and 2+2+2 yielding 5+6+4 = 15 cases.
Partition 2+2+2 yields four cases because we can write 2*3*4/3!=4.
1;
2, 1;
3, 2, 1;
5, 3, 3, 2, 1;
7, 5, 6, 3, 3, 2, 1;
11, 7, 10, 6, 5, 6, 4, 3, 3, 2, 1;
15, 11, 14, 15, 7, 10, 6, 9, 5, 6, 4, 3, 3, 2, 1;
		

Crossrefs

Cf. A000041 (shape sequence), A001970 (row sums), A055884 (has same row sums).