Negative of column k=5 sequence of array A103728.

Terms

a(0) =5a(1) =229a(2) =731a(3) =4111a(4) =8117a(5) =25189a(6) =94891a(7) =137909a(8) =366803a(9) =641959a(10) =830885a(11) =1341589a(12) =2549923a(13) =4504453a(14) =5371979a(15) =8803541a(16) =11932549a(17) =13799879a(18) =20843861a(19) =26956597a(20) =38735575a(21) =60493919a(22) =74542099a(23) =82483013a(24) =100393765a(25) =110446523a(26) =132966511