a(n) = (n-1)*(n-2)^4 - A028294(n), for n > 4, with a(1) = a(2) = 0, a(3) = 2, and a(4) = 48.

Terms

a(0) =0a(1) =0a(2) =2a(3) =48a(4) =304a(5) =999a(6) =2393a(7) =4791a(8) =8542a(9) =14039a(10) =21719a(11) =32063a(12) =45596a(13) =62887a(14) =84549a(15) =111239a(16) =143658a(17) =182551a(18) =228707a(19) =282959a(20) =346184a(21) =419303a(22) =503281a(23) =599127a(24) =707894a(25) =830679a(26) =968623a(27) =1122911a(28) =1294772a(29) =1485479