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A227724 T(n,k) = number of small equivalence classes of half full n-ary Boolean functions that contain 2^k functions. 0
0, 0, 1, 0, 3, 0, 0, 7, 0, 7, 0, 15, 0, 105, 750 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

Like A227725, but counting only small equivalence classes (sec) of half full Boolean functions, i.e. those with an equal number of zeros and ones.

Triangle begins:             Row sums (central numbers of A054724)

            0                        0

         0     1                     1

      0     3     0                  3

   0     7     0     7              14

0    15     0    105   750         870

LINKS

Table of n, a(n) for n=0..14.

Tilman Piesk, Example for row 3

Tilman Piesk, Small equivalence classes of Boolean functions

Index entries for sequences related to Boolean functions

CROSSREFS

Cf. A227725, A054724, A000225.

Sequence in context: A131436 A046765 A046777 * A218538 A243163 A209490

Adjacent sequences:  A227721 A227722 A227723 * A227725 A227726 A227727

KEYWORD

nonn,tabl

AUTHOR

Tilman Piesk, Jul 22 2013

STATUS

approved

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Last modified February 26 12:43 EST 2020. Contains 332280 sequences. (Running on oeis4.)