a(3n+k) = 3a(3n+k-1)-3a(3n+k-2)+2a(3n+k-3) for k = 0,1; a(3n+2) = 3a(3n-1)-3a(3n-2), with a(0) = 0,a(1) = 1,a(2) = 3.
A132158
a(3n+k) = 3a(3n+k-1)-3a(3n+k-2)+2a(3n+k-3) for k = 0,1; a(3n+2) = 3a(3n-1)-3a(3n-2), with a(0) = 0,a(1) = 1,a(2) = 3.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =6a(4) =11a(5) =15a(6) =24a(7) =49a(8) =75a(9) =126a(10) =251a(11) =375a(12) =624a(13) =1249a(14) =1875a(15) =3126a(16) =6251a(17) =9375
External references
- oeis: A132158