eulergamma!,-sum[sum[ eulergamma^n/n! 2.2^(n+1) (-1)^m/m! En(-n,-2.2 (m+1)),{m,0,80}],{n,0,80}]eulergamma!,-sum[sum[ eulergamma^n/n! 2.2^(n+1) (-1)^m/m! En(-n,-2.2 (m+1)),{m,0,80}],{n,0,80}]

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