The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 4 |
| 7 | 2 |
| 8 | 5 |
| 9 | 5 |
| 10 | 8 |
| 11 | 6 |
| 12 | 13 |
| 13 | 10 |
| 14 | 17 |
| 15 | 17 |
| 16 | 24 |
| 17 | 22 |
| 18 | 36 |
| 19 | 32 |
| 20 | 47 |
| 21 | 48 |
| 22 | 64 |
| 23 | 63 |
| 24 | 90 |
| 25 | 86 |
| 26 | 116 |
| 27 | 120 |
| 28 | 154 |
| 29 | 156 |
| 30 | 208 |
| 31 | 206 |
| 32 | 265 |
| 33 | 277 |
| 34 | 344 |
| 35 | 354 |
| 36 | 448 |
| 37 | 458 |
| 38 | 566 |
| 39 | 596 |
| 40 | 720 |
| 41 | 752 |
| 42 | 920 |
| 43 | 956 |
| 44 | 1149 |
| 45 | 1217 |
| 46 | 1440 |
| 47 | 1518 |
| 48 | 1810 |
| 49 | 1900 |
| 50 | 2236 |
| 51 | 2380 |
| 52 | 2771 |
| 53 | 2937 |
| 54 | 3434 |
| 55 | 3631 |
| 56 | 4204 |
| 57 | 4487 |
| 58 | 5155 |
| 59 | 5485 |
| 60 | 6317 |
[1,0,1,1,2,1,4,2,5,5,8,6,13,10,17,17,24,22,36,32, 47,48,64,63,90,86,116,120,154,156,208,206,265,277, 344,354,448,458,566,596,720,752,920,956,1149,1217, 1440,1518,1810,1900,2236,2380,2771,2937,3434,3631, 4204,4487,5155,5485,6317] |