a(n) is the position of a(n-1) in the decimal expansion of Pi, starting with a(1)=13.
A119744
a(n) is the position of a(n-1) in the decimal expansion of Pi, starting with a(1)=13.
Terms
- a(0) =13a(1) =111a(2) =154a(3) =3645a(4) =2699a(5) =1394a(6) =526a(7) =613a(8) =971a(9) =39a(10) =44a(11) =60a(12) =128a(13) =149a(14) =2607a(15) =23047a(16) =21876a(17) =361554a(18) =403706a(19) =1674698a(20) =19210577
External references
- oeis: A119744