Table 4 The partitions number of the measurement set
From: A general cardinalized probability hypothesis density filter
|Z| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 20 | 30 | 40 | 50 |
Bell number | 1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147 | 115975 | \(>{{10}^{13}}\) | \(>{{10}^{23}}\) | \(>{{10}^{25}}\) | \(>{{10}^{47}}\) |