a(0)=1, a(1)=1; for n>1, a(n) = the sum of the two largest earlier terms which are both coprime to n.
A122456
a(0)=1, a(1)=1; for n>1, a(n) = the sum of the two largest earlier terms which are both coprime to n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =8a(7) =12a(8) =10a(9) =18a(10) =10a(11) =30a(12) =8a(13) =48a(14) =4a(15) =16a(16) =10a(17) =78a(18) =8a(19) =126a(20) =10a(21) =26a(22) =10a(23) =204a(24) =8a(25) =330a(26) =10a(27) =42a(28) =4a(29) =534
External references
- oeis: A122456