Row 4 of A007754.

Terms

a(0) =7a(1) =85a(2) =301a(3) =751a(4) =1555a(5) =2857a(6) =4825a(7) =7651a(8) =11551a(9) =16765a(10) =23557a(11) =32215a(12) =43051a(13) =56401a(14) =72625a(15) =92107a(16) =115255a(17) =142501a(18) =174301a(19) =211135a(20) =253507a(21) =301945a(22) =357001a(23) =419251a(24) =489295a(25) =567757a(26) =655285a(27) =752551a(28) =860251a(29) =979105