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A078516 Sum of balls on the lawn for the s=4 tennis ball problem. 4
0, 10, 174, 2298, 27258, 305574, 3309444, 35022618, 364559760, 3748221288, 38170570414, 385768464918, 3874673308452, 38718126671076, 385227806897448, 3818752082440794, 37735160423265504, 371852044352248824, 3655440051907792536, 35857177310350860328 (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 (S_n for s=4).

LINKS

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

FORMULA

a(n) is asymptotic to c*sqrt(n)*(256/27)^n with c=2.8... - Benoit Cloitre, Jan 26 2003

CROSSREFS

See A049235 for more information.

Sequence in context: A132676 A270958 A200574 * A304445 A268936 A144516

Adjacent sequences:  A078513 A078514 A078515 * A078517 A078518 A078519

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 19 2003

STATUS

approved

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Last modified July 8 04:16 EDT 2020. Contains 335504 sequences. (Running on oeis4.)