Number of -n..n arrays x(0..4) of 5 elements with zero sum and no two consecutive zero elements.

Terms

a(0) =32a(1) =320a(2) =1324a(3) =3734a(4) =8470a(5) =16682a(6) =29750a(7) =49284a(8) =77124a(9) =115340a(10) =166232a(11) =232330a(12) =316394a(13) =421414a(14) =550610a(15) =707432a(16) =895560a(17) =1118904a(18) =1381604a(19) =1688030a(20) =2042782a(21) =2450690a(22) =2916814a(23) =3446444a(24) =4045100a(25) =4718532a(26) =5472720a(27) =6313874a(28) =7248434a(29) =8283070