Even numbers in the numerators of the 1/5-Pascal triangle (by row).

Terms

a(0) =6a(1) =6a(2) =12a(3) =16a(4) =16a(5) =46a(6) =26a(7) =12a(8) =12a(9) =26a(10) =86a(11) =34a(12) =86a(13) =36a(14) =36a(15) =348a(16) =546a(17) =126a(18) =546a(19) =348a(20) =46a(21) =194a(22) =894a(23) =1176a(24) =1176a(25) =894a(26) =194a(27) =46a(28) =48a(29) =414