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 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 0 |
| 6 | 2 |
| 7 | 0 |
| 8 | 1 |
| 9 | 2 |
| 10 | 3 |
| 11 | 0 |
| 12 | 4 |
| 13 | 2 |
| 14 | 6 |
| 15 | 4 |
| 16 | 5 |
| 17 | 5 |
| 18 | 11 |
| 19 | 7 |
| 20 | 12 |
| 21 | 11 |
| 22 | 14 |
| 23 | 16 |
| 24 | 21 |
| 25 | 21 |
| 26 | 26 |
| 27 | 28 |
| 28 | 32 |
| 29 | 37 |
| 30 | 47 |
| 31 | 46 |
| 32 | 56 |
| 33 | 64 |
| 34 | 69 |
| 35 | 81 |
| 36 | 91 |
| 37 | 101 |
| 38 | 118 |
| 39 | 131 |
| 40 | 142 |
| 41 | 163 |
| 42 | 184 |
| 43 | 201 |
| 44 | 231 |
| 45 | 258 |
| 46 | 281 |
| 47 | 319 |
| 48 | 353 |
| 49 | 391 |
| 50 | 437 |
| 51 | 485 |
| 52 | 533 |
| 53 | 599 |
| 54 | 664 |
| 55 | 727 |
| 56 | 809 |
| 57 | 894 |
| 58 | 979 |
| 59 | 1091 |
| 60 | 1201 |
| 61 | 1316 |
[0,0,0,1,0,0,2,0,1,2,3,0,4,2,6,4,5,5,11,7,12,11, 14,16,21,21,26,28,32,37,47,46,56,64,69,81,91,101, 118,131,142,163,184,201,231,258,281,319,353,391, 437,485,533,599,664,727,809,894,979,1091,1201, 1316] |