Expansion of 1/(1-x^2)^2 (included only for completeness - the policy is always to omit the zeros from such sequences).
A027656
Expansion of 1/(1-x^2)^2 (included only for completeness - the policy is always to omit the zeros from such sequences).
Terms
- a(0) =1a(1) =0a(2) =2a(3) =0a(4) =3a(5) =0a(6) =4a(7) =0a(8) =5a(9) =0a(10) =6a(11) =0a(12) =7a(13) =0a(14) =8a(15) =0a(16) =9a(17) =0a(18) =10a(19) =0a(20) =11a(21) =0a(22) =12a(23) =0a(24) =13a(25) =0a(26) =14a(27) =0a(28) =15a(29) =0
External references
- oeis: A027656