Structured truncated dodecahedral numbers.

Terms

a(0) =1a(1) =60a(2) =276a(3) =748a(4) =1575a(5) =2856a(6) =4690a(7) =7176a(8) =10413a(9) =14500a(10) =19536a(11) =25620a(12) =32851a(13) =41328a(14) =51150a(15) =62416a(16) =75225a(17) =89676a(18) =105868a(19) =123900a(20) =143871a(21) =165880a(22) =190026a(23) =216408a(24) =245125a(25) =276276a(26) =309960a(27) =346276a(28) =385323a(29) =427200