a(n) = s(k), where, at the end of stage n when forming A026409, k is the greatest integer such that s(j) > 0 for all j < k.

A026408

a(n) = s(k), where, at the end of stage n when forming A026409, k is the greatest integer such that s(j) > 0 for all j < k.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =3a(4) =5a(5) =4a(6) =5a(7) =6a(8) =7a(9) =8a(10) =6a(11) =8a(12) =11a(13) =14a(14) =13a(15) =11a(16) =13a(17) =11a(18) =17a(19) =13a(20) =18a(21) =20a(22) =23a(23) =17a(24) =20a(25) =26a(26) =24a(27) =25a(28) =27a(29) =28

External references