Array read by antidiagonals: form difference table of the sequence of rationals 0, 0 followed by A001803(n)/A046161(n), then extract numerators.

A242735

Array read by antidiagonals: form difference table of the sequence of rationals 0, 0 followed by A001803(n)/A046161(n), then extract numerators.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =1a(5) =1a(6) =-3a(7) =-1a(8) =1a(9) =3a(10) =15a(11) =3a(12) =-1a(13) =3a(14) =15a(15) =-35a(16) =-5a(17) =1a(18) =-1a(19) =5a(20) =35a(21) =315a(22) =35a(23) =-5a(24) =3a(25) =-5a(26) =35a(27) =315a(28) =-693a(29) =-63

External references