1,16
A. Betten, G. Brinkmann and T. Pisanski, Counting symmetric configurations v_3, Discrete Appl. Math., 99 (2000), 331-338.
Cf. A001403, A023994.
Sequence in context: A149439 A014145 A143566 this_sequence A017944 A017945 A055451
Adjacent sequences: A098838 A098839 A098840 this_sequence A098842 A098843 A098844
nonn,hard
N. J. A. Sloane (njas(AT)research.att.com), Nov 05 2004
Search completed in 0.002 seconds