Numerator of Sum_{k=0..n} (2^k * (k!)^2)/(2k + 1)!.

A277586

Numerator of Sum_{k=0..n} (2^k * (k!)^2)/(2k + 1)!.

Terms

    a(0) =1a(1) =4a(2) =22a(3) =32a(4) =488a(5) =5408a(6) =70544a(7) =23552a(8) =1202048a(9) =22846976a(10) =22850816a(11) =40431616a(12) =2628156416a(13) =1576923136a(14) =228655904768a(15) =416962576384

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