a(n) = n^2 * (n+1)^2 * (n+2)^2 = 36*A001249(n-1).

Terms

a(0) =0a(1) =36a(2) =576a(3) =3600a(4) =14400a(5) =44100a(6) =112896a(7) =254016a(8) =518400a(9) =980100a(10) =1742400a(11) =2944656a(12) =4769856a(13) =7452900a(14) =11289600a(15) =16646400a(16) =23970816a(17) =33802596a(18) =46785600a(19) =63680400a(20) =85377600a(21) =112911876a(22) =147476736a(23) =190440000a(24) =243360000a(25) =308002500a(26) =386358336a(27) =480661776a(28) =593409600