a(n) = 7*a(n-1) + 8*a(n-2), a(0) = 0, a(1) = 1.

A015565

a(n) = 7*a(n-1) + 8*a(n-2), a(0) = 0, a(1) = 1.

Terms

    a(0) =0a(1) =1a(2) =7a(3) =57a(4) =455a(5) =3641a(6) =29127a(7) =233017a(8) =1864135a(9) =14913081a(10) =119304647a(11) =954437177a(12) =7635497415a(13) =61083979321a(14) =488671834567

External references