Pascal-(1,8,1) array.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =10a(5) =1a(6) =1a(7) =19a(8) =19a(9) =1a(10) =1a(11) =28a(12) =118a(13) =28a(14) =1a(15) =1a(16) =37a(17) =298a(18) =298a(19) =37a(20) =1a(21) =1a(22) =46a(23) =559a(24) =1540a(25) =559a(26) =46a(27) =1a(28) =1a(29) =55