Product of Lucas (A000204) and a Pell Companion series (A002203).

A085293

Product of Lucas (A000204) and a Pell Companion series (A002203).

Terms

    a(0) =2a(1) =18a(2) =56a(3) =238a(4) =902a(5) =3564a(6) =13862a(7) =54238a(8) =211736a(9) =827298a(10) =3231362a(11) =12623044a(12) =49308482a(13) =192613698a(14) =752401496a(15) =2939092798a(16) =11480914982a(17) =44847668844a(18) =175187526662a(19) =684331472398

External references