Column 4 of an array closely related to A083480. (Both arrays have shape sequence A083479).

Terms

a(0) =5a(1) =32a(2) =113a(3) =299a(4) =664a(5) =1309a(6) =2366a(7) =4002a(8) =6423a(9) =9878a(10) =14663a(11) =21125a(12) =29666a(13) =40747a(14) =54892a(15) =72692a(16) =94809a(17) =121980a(18) =155021a(19) =194831a(20) =242396a(21) =298793a(22) =365194a(23) =442870a(24) =533195a(25) =637650a(26) =757827a(27) =895433a(28) =1052294a(29) =1230359