Number of times an odd number is encountered, when going from (n+1)!-1 to n!-1 using the iterative process described in A219652.
A219663
Number of times an odd number is encountered, when going from (n+1)!-1 to n!-1 using the iterative process described in A219652.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =9a(4) =34a(5) =160a(6) =1106a(7) =8806a(8) =68835a(9) =598355a(10) =6124625a(11) =71839629a(12) =913850187a(13) =12304189279a(14) =175964165619
External references
- oeis: A219663