A005117(k) - 1 such that A389412(k) is a record value.

A387630

A005117(k) - 1 such that A389412(k) is a record value.

Terms

    a(0) =1a(1) =4a(2) =12a(3) =28a(4) =180a(5) =2376a(6) =20700a(7) =27000a(8) =64800a(9) =1455300a(10) =18963000a(11) =33868800a(12) =70868700a(13) =128331000

External references