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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 2 |
| 17 | 2 |
| 18 | 3 |
| 19 | 3 |
| 20 | 4 |
| 21 | 4 |
| 22 | 5 |
| 23 | 5 |
| 24 | 7 |
| 25 | 7 |
| 26 | 9 |
| 27 | 10 |
| 28 | 12 |
| 29 | 13 |
| 30 | 16 |
| 31 | 17 |
| 32 | 21 |
| 33 | 23 |
| 34 | 27 |
| 35 | 30 |
| 36 | 36 |
| 37 | 39 |
| 38 | 46 |
| 39 | 51 |
| 40 | 60 |
| 41 | 66 |
| 42 | 77 |
| 43 | 85 |
| 44 | 99 |
| 45 | 110 |
| 46 | 126 |
| 47 | 140 |
| 48 | 162 |
| 49 | 179 |
| 50 | 205 |
| 51 | 228 |
| 52 | 260 |
| 53 | 289 |
| 54 | 329 |
| 55 | 365 |
| 56 | 415 |
| 57 | 461 |
| 58 | 521 |
| 59 | 579 |
| 60 | 655 |
| 61 | 726 |
| 62 | 818 |
| 63 | 909 |
| 64 | 1022 |
| 65 | 1134 |
| 66 | 1273 |
| 67 | 1411 |
[1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,2,2,3,3,4,4,5,5, 7,7,9,10,12,13,16,17,21,23,27,30,36,39,46,51,60, 66,77,85,99,110,126,140,162,179,205,228,260,289, 329,365,415,461,521,579,655,726,818,909,1022,1134, 1273,1411] |