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%I #1 Jul 19 2005 03:00:00
%S 1,1,181,931,3001,7621,16621,32551,58801,99721,160741,248491,370921,
%T 537421,758941,1048111,1419361,1889041,2475541,3199411,4083481,
%U 5152981,6435661,7961911,9764881,11880601,14348101,17209531,20510281,24299101
%N a(n) = n^5 - 31*n + 31, with n*a(n) + n*( n - 1 )*31 = n^6.
%e a(2)=1, 1 + 63 = 2^6; a(3) = 181, 181 + 243 + 305 = 3^6; a(4) = 931, 931 + 993 + 1055 + 1117 = 4^6
%K nonn
%O 1,3
%A Andras Erszegi (erszegi.andras(AT)chello.hu), May 14 2005
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