Triangle read by rows generated from A007249, the convolution square root of A007191.

Terms

a(0) =1a(1) =-12a(2) =-12a(3) =66a(4) =144a(5) =66a(6) =-232a(7) =-792a(8) =-792a(9) =-232a(10) =639a(11) =2784a(12) =4356a(13) =2784a(14) =639a(15) =-1596a(16) =-7668a(17) =-15312a(18) =-15312a(19) =-7668a(20) =-1596a(21) =3774a(22) =19152a(23) =42174a(24) =53824a(25) =42174a(26) =19152a(27) =3774a(28) =-8328a(29) =-45288