Denominator of n*(n+5)/((n+2)*(n+3)).

Terms

a(0) =1a(1) =2a(2) =10a(3) =5a(4) =7a(5) =28a(6) =12a(7) =15a(8) =55a(9) =22a(10) =26a(11) =91a(12) =35a(13) =40a(14) =136a(15) =51a(16) =57a(17) =190a(18) =70a(19) =77a(20) =253a(21) =92a(22) =100a(23) =325a(24) =117a(25) =126a(26) =406a(27) =145a(28) =155a(29) =496