Expansion of (1+2*x+x^2)/(1-42*x+x^2).

A004295

Expansion of (1+2*x+x^2)/(1-42*x+x^2).

Terms

    a(0) =1a(1) =44a(2) =1848a(3) =77572a(4) =3256176a(5) =136681820a(6) =5737380264a(7) =240833289268

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