(101^n,1)-Pascal triangle.

Terms

a(0) =1a(1) =1a(2) =101a(3) =1a(4) =102a(5) =10201a(6) =1a(7) =103a(8) =10303a(9) =1030301a(10) =1a(11) =104a(12) =10406a(13) =1040604a(14) =104060401a(15) =1a(16) =105a(17) =10510a(18) =1051010a(19) =105101005a(20) =10510100501a(21) =1a(22) =106a(23) =10615a(24) =1061520a(25) =106152015a(26) =10615201506