Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 481: | \[L_{481}\] | 521 × 54018521 × 76984462699<11> × 5690484979405478934633378760841<31> × 2704719196143346692298887124435589105513805538379<49> |