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Number of nonisomorphic Steiner quadruple systems (SQS's) S(3,4,n) on n points.
2

%I #7 Mar 30 2012 16:50:35

%S 0,0,0,0,0,0,0,1,0,1,0,0,0,4,0,1054163

%N Number of nonisomorphic Steiner quadruple systems (SQS's) S(3,4,n) on n points.

%H <a href="/index/St#Steiner">Index entries for sequences related to Steiner systems</a>

%e There are 4 nonisomorphic SQS's on 14 points.

%Y A051390 is the official version of this sequence and has all the references etc.

%Y Cf. A124119, A030129, A001201, A030128, A051390.

%K nonn,hard

%O 1,14

%A _N. J. A. Sloane_, Nov 30 2006