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A032311 Number of ways to partition n labeled elements into sets of different sizes of at least 2. 0
0, 1, 1, 1, 11, 16, 57, 85, 1507, 2896, 12563, 51074, 138789, 2954407, 7959304, 38908797, 178913747, 1100724688, 3444477663, 114462103390, 358862880667, 2217915340389, 11257750157888, 73465378482214 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..24.

C. G. Bower, Transforms (2)

FORMULA

"EGJ" (unordered, element, labeled) transform of 0, 1, 1, 1...

CROSSREFS

Sequence in context: A109307 A128835 A184064 * A032221 A032146 A032051

Adjacent sequences:  A032308 A032309 A032310 * A032312 A032313 A032314

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified December 22 21:10 EST 2014. Contains 252372 sequences.