672200domain: NAppears in sequencesHyper-Wiener index of body-centered cubic grid cells in a row.at n=18A302351Number of 3 X n integer matrices (m_{i,j}) such that m_{1,1}=0, m_{3,n}=2, and all rows, columns, and falling diagonals are (weakly) monotonic without jumps of 2.at n=23A323967