A056922 Denominators of continued fraction for alternating factorial.

1, 1, 2, 3, 8, 11, 41, 52, 249, 301, 1754, 2055, 14084, 16139, 127057, 143196, 1272625, 1415821, 14015014, 15430835, 168323364, 183754199, 2189619553, 2373373752, 30670104577, 33043478329, 460235322854, 493278801183

Offset: 0

Author

Aleksandar Petojevic, Sep 05 2000

Keywords

• frac
• easy
• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..897

Crossrefs

Cf. A058799, A056952 (numerators).

Formula

a(0)=1; a(1)=1; a(2*n) = n*a(2*n-1) + a(2*n-2); a(2*n+1) = a(2*n) + a(2*n-1).

Extensions

More terms from James Sellers, Sep 07 2000