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How to get recurrence formula of an array by it's generating function
zscoder introduced Generating functions in Competitive Programming in his blog, which give a method to get the formula of general term by it's generating function.
But sometime the generating function is somewhat complicated, for instance, the array http://oeis.org/A054726 which has generating function:
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en4 |
|
jianglyFans | 2020-07-25 06:37:06 | 42 | ||
| en3 |
|
jianglyFans | 2020-07-25 06:24:18 | 1362 | ||
| en2 |
|
jianglyFans | 2020-07-24 14:57:03 | 385 | Tiny change: 'ction:\n\n3232\n\frac{3}{2}\n\n\n\n' -> 'ction:\n\n$$\n\frac{3}{2}\n$$\n\n\n' (published) | |
| en1 |
|
jianglyFans | 2020-07-24 14:13:19 | 504 | Initial revision (saved to drafts) |
