Variant of A176546 with the sign of the second term switched.
A176840
Variant of A176546 with the sign of the second term switched.
Terms
- a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =1a(5) =-1a(6) =5a(7) =-691a(8) =7a(9) =-3617a(10) =43867a(11) =-174611a(12) =854513
External references
- oeis: A176840