1,1
D. Merlini, R. Sprugnoli and M. C. Verri, The tennis ball problem, J. Combin. Theory, A 99 (2002), 307-344 (Table A.4).
Table of n, a(n) for n=1..4.
Sequence in context: A183767 A009604 A154669 * A077424 A159827 A192191
Adjacent sequences: A079516 A079517 A079518 * A079520 A079521 A079522
nonn
N. J. A. Sloane, Jan 22 2003
approved
