Alternating row sums of triangle A132166 (s1(7)).

A132168

Alternating row sums of triangle A132166 (s1(7)).

Terms

    a(0) =1a(1) =20a(2) =295a(3) =3485a(4) =33496a(5) =247799a(6) =1010905a(7) =-7422100a(8) =-238118825a(9) =-3513857515a(10) =-38530770320a(11) =-329008652665a(13) =-594574697500

External references