T(n,k) is the number permutations p of [n] that are k-dist-increasing but not j-dist-increasing for any j<k, where p is j-dist-increasing if j>=0 and p(i)<p(i+j) for all i in [n-j]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
A370507
T(n,k) is the number permutations p of [n] that are k-dist-increasing but not j-dist-increasing for any j<k, where p is j-dist-increasing if j>=0 and p(i)<p(i+j) for all i in [n-j]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =2a(9) =3a(10) =0a(11) =1a(12) =5a(13) =7a(14) =11a(15) =0a(16) =1a(17) =9a(18) =22a(19) =33a(20) =55a(21) =0a(22) =1a(23) =19a(24) =77a(25) =112a(26) =192a(27) =319a(28) =0a(29) =1
External references
- oeis: A370507