Eric Babson, Julian West. The Permutations 123 ::::p:::: ::4::... ::::p:::: :: ::::m:::: :: and 321 ::::p:::: ::4::... ::::p:::: :: ::::m:::: :: are Wilf-Equivalent. Graphs and Combinatorics, 16(4):373-380, 2000. [doi]
@article{BabsonW00,
title = {The Permutations 123 ::::p:::: ::4::... ::::p:::: :: ::::m:::: :: and 321 ::::p:::: ::4::... ::::p:::: :: ::::m:::: :: are Wilf-Equivalent},
author = {Eric Babson and Julian West},
year = {2000},
doi = {10.1007/s003730070001},
url = {http://dx.doi.org/10.1007/s003730070001},
researchr = {https://researchr.org/publication/BabsonW00},
cites = {0},
citedby = {0},
journal = {Graphs and Combinatorics},
volume = {16},
number = {4},
pages = {373-380},
}