9,4
CRC Handbook of Combinatorial Designs, 1996, p. 649.
Table of n, a(n) for n=9..31.
Column k=8 of A319367.
Sequence in context: A257819 A182111 A344916 * A050009 A173182 A253891
Adjacent sequences: A023640 A023641 A023642 * A023644 A023645 A023646
nonn,more
N. J. A. Sloane
a(27)-a(31) added by Andrew Howroyd, Sep 18 2018
approved