Ascent sequences avoiding subsets of the patterns 0101, 0102, 0112, 0120, 0121 fall into 16 Wilf classes with enumerations including Catalan and Fibonacci numbers.
Gowravaram, Enumeration of subclasses of (2+2) -free partially ordered sets, https: //math.mit.edu/research/highschool/primes/materials/2013/Gowravaram.pdf
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.CO 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
Simultaneous avoidance of length-4 patterns in ascent sequences
Ascent sequences avoiding subsets of the patterns 0101, 0102, 0112, 0120, 0121 fall into 16 Wilf classes with enumerations including Catalan and Fibonacci numbers.