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A078999 Coefficients A_n for the s=4 tennis ball problem. 1
1, 14, 156, 1622, 16347, 161970, 1588176, 15465222, 149866020, 1447117432, 13935821924, 133921143546, 1284811863298, 12309517103724, 117803253946752, 1126336913303526, 10760609522499660, 102733711144434216, 980250448431562864, 9348504508099893272 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

D. Merlini, R. Sprugnoli and M. C. Verri, The tennis ball problem, J. Combin. Theory, A 99 (2002), 307-344 (A_n for s=4).

LINKS

Table of n, a(n) for n=0..19.

CROSSREFS

See A049235 for more information.

Sequence in context: A263474 A154347 A001707 * A016157 A238770 A199703

Adjacent sequences:  A078996 A078997 A078998 * A079000 A079001 A079002

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 19 2003

STATUS

approved

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Last modified July 19 22:14 EDT 2019. Contains 325168 sequences. (Running on oeis4.)