A047109 T(2n,n), array T as in A047100.

1, 1, 5, 31, 151, 917, 5619, 33627, 210911, 1326395, 8366161, 53441835, 342477957, 2203613164, 14248253995, 92379163952, 600644552471, 3915699367751, 25579440322831, 167423682425912, 1097738520430457, 7208383257398805

Offset: 0

Author

Clark Kimberling. Definition revised Dec 08 2006

Keywords

• nonn

Extensions

Name corrected by Sean A. Irvine, Jan 12 2025