Tenth convolution of A115140.

Terms

a(0) =1a(1) =-10a(2) =35a(3) =-50a(4) =25a(5) =-2a(6) =0a(7) =0a(8) =0a(9) =0a(10) =-1a(11) =-10a(12) =-65a(13) =-350a(14) =-1700a(15) =-7752a(16) =-33915a(17) =-144210a(18) =-600875a(19) =-2466750a(20) =-10015005a(21) =-40320150a(22) =-161280600a(23) =-641886000a(24) =-2544619500a(25) =-10056336264a(26) =-39645171810a(27) =-155989499540a(28) =-612815891050