1,14

CRC Handbook of Combinatorial Designs, 1996, circa p. 70.

A. Hartman and K. T. Phelps, Steiner quadrupr systems, pp, 205-240 of Contemporary Design Theory, ed. J. H. Dinitz and D. R. Stinson, Wiley, 1992.

P. Kaski, P. R. J. \"Osterg{\aa}rd (Patric.Ostergard(AT)hut.fi) and O. Pottonen, The Steiner quadruple systems of order 16</a>

V. A. Zinoviev and D. V. Zinoviev, Classification of Steiner Quadruple Systems of order 16 and rank 14 [in Russian], Problemy Peredachi Informatsii, 42 (No. 3, 2006), 59-72.

Index entries for sequences related to Steiner systems

a(n) = 0 unless n = 1 or n == 2 or 4 mod 6.

There are 4 nonisomorphic SQS's on 14 points.

See A124120, A124119 for other versions of this sequence. The present entry is the official version.

Cf. A030129, A001201, A030128.

Sequence in context: A130105 A013463 A013464 this_sequence A124120 A093318 A127560

Adjacent sequences: A051387 A051388 A051389 this_sequence A051391 A051392 A051393

nonn,nice,hard

njas