Timeline for Decomposition of a natural number as sum of positive integers
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 24, 2023 at 8:22 | comment | added | Alapan Das | As $a,d≠0$, only $b, c$ can be zero respectively when $s=n-1$ and $s=1$. Hence, for all $a,b,c,d≠0$ those two cases are eliminated, meaning $f(n)=\phi(n)-2$. | |
| Feb 24, 2023 at 7:37 | history | answered | Pavel Gubkin | CC BY-SA 4.0 |