So one of the first things you might recognize are the first few rows... The numbers "feel" familiar...That could be because they are actually powers of 11...
110 = 1
111 = 11
112 = 121
113 = 1331
114 = 14641
But what is 115? Whoa - hold up. Let's recap just a little...
Let's re-examine 112....
What we are really seeing is:
| 102 | 101 | 100 |
|---|---|---|
| 1 | 2 | 1 |
| Which is really... | ||
| 1 * 102 | 2 * 101 | 1 * 100 |
| 100 | 20 | 1 |
| or... 100+20+1 = 121 = 112 | ||
The same is true for 113...
| 103 | 102 | 101 | 100 |
|---|---|---|---|
| 1 | 3 | 3 | 1 |
| Which is really... | |||
| 1 * 103 | 3 * 102 | 3 * 101 | 1 * 100 |
| 1000 | 300 | 30 | 1 |
| or... 1000+300+30+1 = 1331 = 113 | |||
Now, 115 is a bit more tricky... The math is the exact same, but it is not as visually obvious...
| 105 | 104 | 103 | 102 | 101 | 100 |
|---|---|---|---|---|---|
| 1 | 5 | 10 | 10 | 5 | 1 |
| Which is really... | |||||
| 1 * 105 | 5 * 104 | 10 * 103 | 10 * 102 | 5 * 101 | 1 * 100 |
| 100000 | 50000 | 10000 | 1000 | 50 | 1 |
| or... 100000+50000+10000+1000+50+1 = 161051 = 115 | |||||
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