Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive pattern 1324; triangle T(n,k), n>=0, 0<=k<=max(0,floor(n/2-1)), read by rows.
A264173
Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive pattern 1324; triangle T(n,k), n>=0, 0<=k<=max(0,floor(n/2-1)), read by rows.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =23a(5) =1a(6) =110a(7) =10a(8) =632a(9) =86a(10) =2a(11) =4229a(12) =782a(13) =29a(14) =32337a(15) =7571a(16) =407a(17) =5a(18) =278204a(19) =78726a(20) =5856a(21) =94a(22) =2659223a(23) =882997a(24) =84351a(25) =2215a(26) =14a(27) =27959880a(28) =10657118a(29) =1251246
External references
- oeis: A264173