Number of permutations of order n avoiding the consecutive pattern egfh with e<f, e<h, g<f and g<h.
A177480
Number of permutations of order n avoiding the consecutive pattern egfh with e<f, e<h, g<f and g<h.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =20a(5) =84a(6) =412a(7) =2300a(8) =14676a(9) =104536a(10) =825660a(11) =7168860a(12) =67826340a(13) =695174208a(14) =7671602644a(15) =90700227700
External references
- oeis: A177480