Start with the sequence S(0)={1,1} and for k>0 define S(k) to be I(S(k-1)) where I denotes the operation of inserting, for i=1,2,3..., the term a(i)+a(i+1) between any two terms for which 4a(i+1)<=5a(i). The listed terms are the initial terms of the limit of this process as k goes to infinity.
A082981
Start with the sequence S(0)={1,1} and for k>0 define S(k) to be I(S(k-1)) where I denotes the operation of inserting, for i=1,2,3..., the term a(i)+a(i+1) between any two terms for which 4a(i+1)<=5a(i). The listed terms are the initial terms of the limit of this process as k goes to infinity.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =9a(5) =14a(6) =19a(7) =24a(8) =53a(9) =82a(10) =111a(11) =140a(12) =309a(13) =478a(14) =647a(15) =816a(16) =1801a(17) =2786a(18) =3771a(19) =4756a(20) =10497a(21) =16238a(22) =21979a(23) =27720a(24) =61181a(25) =94642a(26) =128103a(27) =161564a(28) =356589a(29) =551614
External references
- oeis: A082981