Past of komet 'k2' (A038807).

Terms

a(0) =2a(1) =25a(2) =43a(3) =1523a(4) =1833a(5) =1016a(6) =105511a(7) =39366a(8) =19872a(9) =163433a(10) =576843397a(11) =335121400a(12) =338128753a(13) =173216346a(14) =792656991