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A249617
Integer partition (A194602) of the n-th set partition (A231428).
1
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
0,5
EXAMPLE
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.
CROSSREFS
Sequence in context: A128199 A345063 A337216 * A304091 A278801 A307720
KEYWORD
nonn
AUTHOR
Tilman Piesk, Nov 02 2014
STATUS
approved