Triangular array related to Motzkin triangle A026300.

Terms

a(0) =1a(1) =1a(2) =3a(3) =1a(4) =6a(5) =10a(6) =1a(7) =9a(8) =29a(9) =36a(10) =1a(11) =12a(12) =57a(13) =132a(14) =137a(15) =1a(16) =15a(17) =94a(18) =315a(19) =590a(20) =543a(21) =1a(22) =18a(23) =140a(24) =612a(25) =1629a(26) =2628a(27) =2219a(28) =1a(29) =21