Sequence is identical to its third differences in absolute values: a(n+k)=3a(n+k-1)-3a(n+k-2)+2a(n+k-3), k=0, 1, 2, 3, 4, a(n+5)=3a(n+4)-3a(n+3), n > 2.
A132418
Sequence is identical to its third differences in absolute values: a(n+k)=3a(n+k-1)-3a(n+k-2)+2a(n+k-3), k=0, 1, 2, 3, 4, a(n+5)=3a(n+4)-3a(n+3), n > 2.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =10a(5) =21a(6) =43a(7) =86a(8) =129a(9) =215a(10) =430a(11) =903a(12) =1849a(13) =3698a(14) =5547a(15) =9245a(16) =18490a(17) =38829a(18) =79507
External references
- oeis: A132418