Numbers with 6 distinct digits {1,2,3,4,5,6} such that all adjacent digits (as well as first and last digits) are coprime.

A104973

Numbers with 6 distinct digits {1,2,3,4,5,6} such that all adjacent digits (as well as first and last digits) are coprime.

Terms

    a(0) =123456a(1) =143256a(2) =165234a(3) =165432a(4) =216543a(5) =234165a(6) =234561a(7) =256143a(8) =321654a(9) =325614a(10) =341652a(11) =345612a(12) =416523a(13) =432165a(14) =432561a(15) =456123a(16) =523416a(17) =543216a(18) =561234a(19) =561432a(20) =612345a(21) =614325a(22) =652341a(23) =654321

External references