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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 1 |
| 7 | 4 |
| 8 | 1 |
| 9 | 1 |
| 10 | 4 |
| 11 | 1 |
| 12 | 16 |
| 13 | 13 |
| 14 | 1 |
| 15 | 1 |
| 16 | 4 |
| 17 | 9 |
| 18 | 1 |
| 19 | 4 |
| 20 | 1 |
| 21 | 1 |
| 22 | 31 |
| 23 | 1 |
| 24 | 15 |
| 25 | 4 |
| 26 | 1 |
| 27 | 49 |
| 28 | 4 |
| 29 | 1 |
| 30 | 1 |
| 31 | 4 |
| 32 | 16 |
| 33 | 1 |
| 34 | 4 |
| 35 | 1 |
| 36 | 1 |
| 37 | 34 |
| 38 | 9 |
| 39 | 1 |
| 40 | 40 |
| 41 | 1 |
| 42 | 16 |
| 43 | 4 |
| 44 | 1 |
| 45 | 64 |
| 46 | 4 |
| 47 | 54 |
| 48 | 1 |
| 49 | 58 |
| 50 | 1 |
| 51 | 1 |
| 52 | 46 |
| 53 | 1 |
| 54 | 1 |
| 55 | 4 |
| 56 | 1 |
| 57 | 39 |
| 58 | 22 |
| 59 | 30 |
| 60 | 56 |
| 61 | 4 |
| 62 | 91 |
| 63 | 1 |
| 64 | 4 |
| 65 | 1 |
| 66 | 64 |
| 67 | 94 |
| 68 | 1 |
| 69 | 1 |
| 70 | 4 |
| 71 | 114 |
| 72 | 16 |
| 73 | 25 |
| 74 | 1 |
| 75 | 1 |
| 76 | 103 |
| 77 | 109 |
| 78 | 1 |
| 79 | 4 |
| 80 | 156 |
| 81 | 1 |
| 82 | 16 |
| 83 | 1 |
| 84 | 40 |
| 85 | 85 |
| 86 | 1 |
| 87 | 134 |
[1,1,1,4,1,1,4,1,1,4,1,16,13,1,1,4,9,1,4,1,1,31,1, 15,4,1,49,4,1,1,4,16,1,4,1,1,34,9,1,40,1,16,4,1, 64,4,54,1,58,1,1,46,1,1,4,1,39,22,30,56,4,91,1,4, 1,64,94,1,1,4,114,16,25,1,1,103,109,1,4,156,1,16, 1,40,85,1,134] |