A multiswitched integer differential-type sequence designed to be mostly odd: two types of integer differential sequences are switched in a way that is made odd: 1) a(n)=2*a(n-1)-a(n-2); 2) a(n)=3*a(n-1)-3*a(n-2)+a(n-3); the one back versions are 3) a(n)=2*a(n-2)-a(n-3); 4) a(n)=3*a(n-2)-3*a(n-3)+a(n-4).
A137403
A multiswitched integer differential-type sequence designed to be mostly odd: two types of integer differential sequences are switched in a way that is made odd: 1) a(n)=2*a(n-1)-a(n-2); 2) a(n)=3*a(n-1)-3*a(n-2)+a(n-3); the one back versions are 3) a(n)=2*a(n-2)-a(n-3); 4) a(n)=3*a(n-2)-3*a(n-3)+a(n-4).
Terms
- a(0) =2a(1) =3a(2) =5a(3) =4a(4) =3a(5) =3a(6) =3a(7) =4a(8) =3a(9) =5a(10) =2a(11) =7a(12) =12a(13) =17a(14) =17a(15) =22a(16) =27a(17) =27a(18) =27a(19) =22a(20) =27a(21) =17a(22) =32a(23) =7a(24) =-18a(25) =-43a(26) =-43a(27) =-68a(28) =-93a(29) =-93
External references
- oeis: A137403