A196288 - OEIS
0, 2, 258, 6564, 65540, 390630, 1679622, 5764808, 16777224, 43046730, 100000010, 214358892, 429981708, 815730734, 1475789070, 2562890640, 4294967312, 6975757458, 11019960594, 16983563060, 25600000020, 37822859382, 54875873558, 78310985304
FORMULA
G.f. -2*x*(1+120*x+2157*x^2+7792*x^3+7827*x^4+2136*x^5+127*x^6) / (x-1)^9 . - R. J. Mathar, Oct 13 2011
PROG
(Magma) [n^8+n: n in [0..30]]