OEIS sequence A400000: The city-building sequence
Article URL: https://oeis.org/A400000
Comments URL: https://news.ycombinator.com/item?id=50267720
Points: 1
# Comments: 1
原文：https://www.a8q9.cn/en/article/oeis-sequence-a400000-the-city-building-sequence-8fc689.html