Fifth column of A046741.

Terms

a(0) =5a(1) =56a(2) =263a(3) =815a(4) =1982a(5) =4115a(6) =7646a(7) =13088a(8) =21035a(9) =32162a(10) =47225a(11) =67061a(12) =92588a(13) =124805a(14) =164792a(15) =213710a(16) =272801a(17) =343388a(18) =426875a(19) =524747a(20) =638570a(21) =769991a(22) =920738a(23) =1092620a(24) =1287527a(25) =1507430a(26) =1754381a(27) =2030513a(28) =2338040a(29) =2679257