A249617 Integer partition (A194602) of the n-th set partition (A231428).

0, 1, 1, 1, 2, 1, 3, 1, 3, 2, 1, 3, 2, 2, 4, 1, 3, 3, 3, 5, 1, 3, 3, 3, 5, 2, 5, 1, 3, 3, 3, 5, 2, 5, 2, 5, 4, 1, 3, 3, 3, 5, 2, 5, 2, 5, 4, 2, 5, 4, 4, 6, 1, 3, 3, 3, 5, 3, 7, 3, 7, 5, 3, 7, 5, 5, 8, 1, 3, 3, 3, 5, 3, 7, 3, 7, 5, 3, 7, 5, 5, 8

Offset: 0

Author

Tilman Piesk, Nov 02 2014

Keywords

• nonn

Examples

			The 6th set partition has 2 non-singleton blocks {1,4} and {2,3}, each with 2 elements. This corresponds to the integer partition 2+2, which is the 3rd in the infinite order defined by A194602. So a(6) = 3.
		

Links

• Tilman Piesk, Table of n, a(n) for n = 0..9999
• Tilman Piesk, Illustrated list of the first 52 equivalence relations
• Tilman Piesk, Permutations and partitions in the OEIS (Wikiversity)