DB002 - AMUSING SEQUENCE
Given a sequence of natural numbers .
Find it's N'th term.
a1=3, a2=9, a3=30, a4=101, a5=358, a6=1443... ...,aN
Input
Single line containing a natural number N
Output
Print N'th term of the sequence modulo 10^9+7.
Constraints
- 1 <= N <=100
Example
Input: 5 Output: 358
hide comments
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ramizouari:
2021-12-09 18:34:58
This is not a well defined problem, There is an uncountable number of sequences whose first 6 terms are defined as above.
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shubham9261:
2017-10-01 22:35:22
matrix exponentiation?
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mahilewets:
2017-09-10 20:56:30
IQ test, lol? |
| Added by: | bhardwaj_75 |
| Date: | 2015-11-21 |
| Time limit: | 1s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | All except: ASM64 GOSU JS-MONKEY |
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