Positive integers that are the difference between two double factorials.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =6a(5) =7a(6) =12a(7) =13a(8) =14a(9) =33a(10) =40a(11) =45a(12) =46a(13) =47a(14) =57a(15) =90a(16) =97a(17) =102a(18) =103a(19) =104a(20) =279a(21) =336a(22) =369a(23) =376a(24) =381a(25) =382a(26) =383a(27) =561a(28) =840a(29) =897