Expansion of 1/(2*f(x)) + 1/(4 - 2*g(x)), where f(x) = sqrt(1 - 4*x) and g(x) = sqrt(1 + 4*x).

A268600

Expansion of 1/(2*f(x)) + 1/(4 - 2*g(x)), where f(x) = sqrt(1 - 4*x) and g(x) = sqrt(1 + 4*x).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =12a(4) =36a(5) =132a(6) =456a(7) =1752a(8) =6340a(9) =24660a(10) =91224a(11) =356776a(12) =1337896a(13) =5250728a(14) =19877904a(15) =78209712a(16) =298176516a(17) =1175437428a(18) =4505865144a(19) =17789574792a(20) =68490100536a(21) =270739425528

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