A047094 T(n,n-3), array T as in A047089.

1, 4, 13, 38, 98, 531, 1912, 8138, 31418, 126393, 495376, 1962086, 7714610, 30417808, 119689616, 471372482, 1855574610, 7307585933, 28780361988, 113386055388, 446810002208, 1761249761801, 6944518447036, 27390257810022

Offset: 3

Author

Clark Kimberling

Keywords

• nonn