The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 7 |
| 5 | 7 |
| 6 | 9 |
| 7 | 13 |
| 8 | 10 |
| 9 | 9 |
| 10 | 1 |
| 11 | 4 |
| 12 | 9 |
| 13 | 16 |
| 14 | 16 |
| 15 | 9 |
| 16 | 13 |
| 17 | 19 |
| 18 | 9 |
| 19 | 10 |
| 20 | 4 |
| 21 | 9 |
| 22 | 16 |
| 23 | 16 |
| 24 | 18 |
| 25 | 13 |
| 26 | 19 |
| 27 | 18 |
| 28 | 19 |
| 29 | 13 |
| 30 | 9 |
| 31 | 16 |
| 32 | 7 |
| 33 | 18 |
| 34 | 13 |
| 35 | 10 |
| 36 | 18 |
| 37 | 19 |
| 38 | 13 |
| 39 | 9 |
| 40 | 7 |
| 41 | 16 |
| 42 | 18 |
| 43 | 22 |
| 44 | 19 |
| 45 | 9 |
| 46 | 10 |
| 47 | 13 |
| 48 | 9 |
| 49 | 7 |
| 50 | 7 |
| 51 | 9 |
| 52 | 13 |
| 53 | 19 |
| 54 | 18 |
| 55 | 10 |
| 56 | 13 |
| 57 | 18 |
| 58 | 16 |
| 59 | 16 |
| 60 | 9 |
| 61 | 13 |
| 62 | 19 |
| 63 | 27 |
| 64 | 19 |
| 65 | 13 |
| 66 | 18 |
| 67 | 25 |
| 68 | 16 |
| 69 | 18 |
| 70 | 13 |
| 71 | 10 |
| 72 | 18 |
| 73 | 19 |
| 74 | 22 |
| 75 | 18 |
| 76 | 25 |
| 77 | 25 |
| 78 | 18 |
| 79 | 13 |
[0,1,4,9,7,7,9,13,10,9,1,4,9,16,16,9,13,19,9,10,4, 9,16,16,18,13,19,18,19,13,9,16,7,18,13,10,18,19, 13,9,7,16,18,22,19,9,10,13,9,7,7,9,13,19,18,10,13, 18,16,16,9,13,19,27,19,13,18,25,16,18,13,10,18,19, 22,18,25,25,18,13] |