Row sums of triangle A118441, which is the matrix log of triangle A118435.

Terms

a(0) =1a(1) =-2a(2) =3a(3) =-36a(4) =-155a(5) =474a(6) =1127a(7) =-1992a(8) =-1719a(9) =-4810a(10) =-31669a(11) =109332a(12) =286637a(13) =-596974a(14) =-904785a(15) =449136a(16) =-3218287a(17) =16156782a(18) =50232979a(19) =-121747380a(20) =-233735691a(21) =309853258a(22) =15768823a(23) =1624290984a(24) =6853579225a(25) =-19712646746a(26) =-44873974053a(27) =79998871428a(28) =90434035261