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%I #2 Mar 30 2012 16:51:18
%S 1,7,12,161,132,847,1332,32977,12612,76657,116052,1401491,1054692,
%T 6339067,9533172,459046049,85962372,512834077,774316692,9515828021,
%U 6971471652,37110907687,62753730612,2474540324347,564825518532,-11328646894103,5083597438932,2154664585390751
%N Numerator of Euler(n,4).
%Y For denominators see A006519.
%K sign,frac
%O 0,2
%A _N. J. A. Sloane_, Nov 10 2009