Numbers n such that phi(n+2) - 2*phi(n+1) + phi(n) = -n.
A066348
Numbers n such that phi(n+2) - 2*phi(n+1) + phi(n) = -n.
Terms
- a(0) =4a(1) =6a(2) =48a(3) =33592a(4) =44182a(5) =1918396a(6) =16975872a(7) =129518496a(8) =1098107800a(9) =23181002496a(10) =26187394752a(11) =36959761320a(12) =653669026776
External references
- oeis: A066348