Numerator of fraction equal to the continued fraction [0,2,4,...2n].

A036242

Numerator of fraction equal to the continued fraction [0,2,4,...2n].

Terms

    a(0) =1a(1) =4a(2) =25a(3) =204a(4) =2065a(5) =24984a(6) =351841a(7) =5654440a(8) =102131761a(9) =2048289660a(10) =45164504281

External references