a(n) = 8*a(n-1)+49*a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=8 .

A155460

a(n) = 8*a(n-1)+49*a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=8 .

Terms

    a(0) =1a(1) =1a(2) =8a(3) =113a(4) =1296a(5) =15905a(6) =190744a(7) =2305297a(8) =27788832a(9) =335270209a(10) =4043814440a(11) =48778755761a(12) =588376953648

External references