|
| |
|
|
A116769
|
|
Number of permutations of length n which avoid the patterns 1234, 4123, 4132.
|
|
0
|
|
|
|
1, 2, 6, 21, 76, 263, 843, 2501, 6941, 18245, 45928, 111721, 264482, 612707, 1394929, 3131269, 6948043, 15269985, 33290710, 72085673, 155182152, 332387343, 708820807, 1505731877, 3187639497, 6727621949, 14159916404, 29729158217
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
