a(0)=1; a(3n+1) = a(3n)+1, a(3n+2) = a(3n+1) + a(3n) (=3*A000244), a(3n+3) = a(3n+2) + a(3n) (=A003462(n+2)).

A140298

a(0)=1; a(3n+1) = a(3n)+1, a(3n+2) = a(3n+1) + a(3n) (=3*A000244), a(3n+3) = a(3n+2) + a(3n) (=A003462(n+2)).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =9a(6) =13a(7) =14a(8) =27a(9) =40a(10) =41a(11) =81a(12) =121a(13) =122a(14) =243a(15) =364a(16) =365a(17) =729a(18) =1093a(19) =1094a(20) =2187a(21) =3280a(22) =3281a(23) =6561a(24) =9841a(25) =9842a(26) =19683a(27) =29524a(28) =29525a(29) =59049

External references