a(n) = J(n+1) mod J(n), J(n)=A001045(n).

Terms

a(0) =1a(1) =0a(2) =0a(3) =2a(4) =1a(5) =10a(6) =1a(7) =42a(8) =1a(9) =170a(10) =1a(11) =682a(12) =1a(13) =2730a(14) =1a(15) =10922a(16) =1a(17) =43690a(18) =1a(19) =174762a(20) =1a(21) =699050a(22) =1a(23) =2796202a(24) =1a(25) =11184810a(26) =1a(27) =44739242a(28) =1a(29) =178956970