A047146 T(n,n+1), array T as in A047140.

1, 1, 2, 15, 62, 180, 566, 2419, 9780, 34958, 125068, 491958, 1943862, 7377378, 27781250, 107932937, 422922350, 1637252968, 6306134498, 24545899232, 96073204466, 374915623580, 1459739914638, 5704537068510, 22360905044350

Offset: 0

Author

Clark Kimberling

Keywords

• nonn
• changed

Crossrefs

Cf. A047140.