Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and 2w+x+y>2.

Terms

a(0) =0a(1) =1a(2) =18a(3) =73a(4) =192a(5) =395a(6) =710a(7) =1157a(8) =1764a(9) =2551a(10) =3546a(11) =4769a(12) =6248a(13) =8003a(14) =10062a(15) =12445a(16) =15180a(17) =18287a(18) =21794a(19) =25721a(20) =30096a(21) =34939a(22) =40278a(23) =46133a(24) =52532a(25) =59495a(26) =67050a(27) =75217a(28) =84024a(29) =93491