Sum of balls on the lawn for the s=3 tennis ball problem.

A049235

Sum of balls on the lawn for the s=3 tennis ball problem.

Terms

    a(0) =0a(1) =6a(2) =75a(3) =708a(4) =5991a(5) =47868a(6) =369315a(7) =2783448a(8) =20631126a(9) =151026498a(10) =1094965524a(11) =7878119760a(12) =56330252412a(13) =400703095284

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