Least k such that the Jacobsthal function A048669(k) = n.

Terms

a(0) =1a(1) =2a(2) =15a(3) =6a(4) =105a(5) =30a(6) =1155a(7) =770a(8) =36465a(9) =210a(10) =15015a(11) =6006a(12) =255255a(13) =2310a(14) =8580495a(15) =102102a(16) =4849845a(17) =72930a(18) =20056049013a(19) =74364290a(20) =5898837945a(21) =30030a(22) =3234846615a(23) =881790a(24) =195282582495a(25) =510510a(26) =218257003965a(27) =20281170a(28) =100280245065a(29) =17160990