Comment by tromp

Obligatory entry in The On-Line Encyclopedia of Integer Sequences: https://oeis.org/A000110 which has 3 links mentioning Genji only one of which is not broken:

Xiaoling Dou, Hsien-Kuei Hwang and Chong-Yi Li, Bell numbers in Matsunaga's and Arima's Genjiko combinatorics [1]: Modern perspectives and local limit theorems, arXiv:2110.01156 [math.CO], 2021.

[1] https://arxiv.org/abs/2110.01156