Number of times an even number is encountered, when going from (n+1)!-1 to n!-1 using the iterative process described in A219652.
A219662
Number of times an even number is encountered, when going from (n+1)!-1 to n!-1 using the iterative process described in A219652.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =49a(5) =268a(6) =1505a(7) =9667a(8) =81891a(9) =779193a(10) =7726623a(11) =80770479a(12) =921442854a(13) =11621384700a(14) =159894957124
External references
- oeis: A219662