Row 7 of square array defined in A047662.

Terms

a(0) =7a(1) =56a(2) =287a(3) =1120a(4) =3591a(5) =9912a(6) =24319a(7) =54272a(8) =112071a(9) =216952a(10) =397727a(11) =696032a(12) =1170247a(13) =1900152a(14) =2992383a(15) =4586752a(16) =6863495a(17) =10051512a(18) =14437663a(19) =20377184a(20) =28305287a(21) =38750008a(22) =52346367a(23) =69851904a(24) =92163655a(25) =120336632a(26) =155603871