A217826
Number of permutations of length 3n with descent set {3, 6, ...} that avoid a certain pattern of length 4 or 5 (see Lewis, 2012, Appendix, for precise definition).
Original entry on oeis.org
1, 19, 887, 66816, 6795966, 850144907
Offset: 1
A217827
Number of permutations of length 3n with descent set {3, 6, ...} that avoid a certain pattern of length 4 or 5 (see Lewis, 2012, Appendix, for precise definition).
Original entry on oeis.org
1, 19, 1077, 102051, 12917852, 1967483077
Offset: 1
A217828
Number of permutations of length 3n with descent set {3, 6, ...} that avoid a certain pattern of length 4 or 5 (see Lewis, 2012, Appendix, for precise definition).
Original entry on oeis.org
1, 19, 1134, 114621, 15952918, 2763262475
Offset: 1
A217829
Number of permutations of length 3n with descent set {3, 6, ...} that avoid a certain pattern of length 4 or 5 (see Lewis, 2012, Appendix, for precise definition).
Original entry on oeis.org
1, 19, 1134, 115515, 16254118, 2848701388
Offset: 1