a(n) is the smallest k such that A000005(j) = A000005(j-m) for j = k..k+n-1 for some m > 0.

A364189

a(n) is the smallest k such that A000005(j) = A000005(j-m) for j = k..k+n-1 for some m > 0.

Terms

    a(0) =3a(1) =7a(2) =17a(3) =31a(4) =71a(5) =232a(6) =412a(7) =1756a(8) =2759a(9) =3763a(10) =4881a(11) =4881a(12) =26812a(13) =125804a(14) =566658a(15) =566658a(16) =1601927a(17) =1601927a(18) =18641185a(19) =42401324a(20) =131296837a(21) =136407785

External references