Distinct numbers in the triangle of denominators in Leibniz's Harmonic Triangle.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =4a(5) =12a(6) =5a(7) =20a(8) =30a(9) =60a(10) =7a(11) =42a(12) =105a(13) =140a(14) =8a(15) =56a(16) =168a(17) =280a(18) =9a(19) =72a(20) =252a(21) =504a(22) =630a(23) =10a(24) =90a(25) =360a(26) =840a(27) =1260a(28) =11a(29) =110