n | a(n) |
---|---|
1 | 111 |
2 | 211 |
3 | 221 |
4 | 222 |
5 | 311 |
6 | 321 |
7 | 322 |
8 | 331 |
9 | 332 |
10 | 333 |
11 | 411 |
12 | 421 |
13 | 422 |
14 | 431 |
15 | 432 |
16 | 433 |
17 | 441 |
18 | 442 |
19 | 443 |
20 | 444 |
21 | 511 |
22 | 521 |
23 | 522 |
24 | 531 |
25 | 532 |
26 | 533 |
27 | 541 |
28 | 542 |
29 | 543 |
30 | 544 |
31 | 551 |
32 | 552 |
33 | 553 |
34 | 554 |
35 | 555 |
36 | 611 |
37 | 621 |
38 | 622 |
39 | 631 |
40 | 632 |
41 | 633 |
42 | 641 |
43 | 642 |
44 | 643 |
45 | 644 |
46 | 651 |
47 | 652 |
48 | 653 |
49 | 654 |
50 | 655 |
51 | 661 |
[111,211,221,222,311,321,322,331,332,333,411,421, 422,431,432,433,441,442,443,444,511,521,522,531, 532,533,541,542,543,544,551,552,553,554,555,611, 621,622,631,632,633,641,642,643,644,651,652,653, 654,655,661] |