Numerators of the second differences of the sequence of fractions (-1)^(n+1)*A176618(n)/A172031(n).

A195240

Numerators of the second differences of the sequence of fractions (-1)^(n+1)*A176618(n)/A172031(n).

Terms

    a(0) =0a(1) =1a(2) =1a(3) =7a(4) =8a(5) =11a(6) =10a(7) =7a(8) =8a(9) =19a(10) =14a(11) =337a(12) =1028a(13) =5a(14) =-2a(15) =-1681a(16) =1936a(17) =22133a(18) =-21734a(19) =-87223a(20) =87388a(21) =427291a(22) =-427222a(23) =-118181363a(24) =118182728a(25) =4276553a(26) =-4276550a(27) =-11874730297a(28) =11874730732

External references