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

Terms

a(0) =0a(1) =3a(2) =24a(3) =89a(4) =218a(5) =439a(6) =772a(7) =1245a(8) =1878a(9) =2699a(10) =3728a(11) =4993a(12) =6514a(13) =8319a(14) =10428a(15) =12869a(16) =15662a(17) =18835a(18) =22408a(19) =26409a(20) =30858a(21) =35783a(22) =41204a(23) =47149a(24) =53638a(25) =60699a(26) =68352a(27) =76625a(28) =85538a(29) =95119