Number of 0..n arrays x(0..9) of 10 elements with zero 5th differences.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =6a(5) =7a(6) =12a(7) =19a(8) =28a(9) =43a(10) =66a(11) =97a(12) =132a(13) =177a(14) =242a(15) =321a(16) =420a(17) =529a(18) =662a(19) =829a(20) =1044a(21) =1327a(22) =1624a(23) =1977a(24) =2400a(25) =2883a(26) =3434a(27) =4103a(28) =4818a(29) =5711