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Forum: Miscellaneous Math 2021-02-17, 01:42
Replies: 2
Views: 306
Posted By Batalov
Question Why can't I find this formula in Wiki or Wolfram? (pet peeve)

For Lucas numbers:
[$]{L(3n) \over L(n)} = L(2n)-(-1)^n[/$]
...or if n is even, simpler still: [$]{L(6m) \over L(2m)} = L(4m)-1 [/$]

For example: this simplifies L2250 (or primV(2250)) cofactor...
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