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 | -3 |
| 3 | -4 |
| 4 | 6 |
| 5 | -6 |
| 6 | 12 |
| 7 | -8 |
| 8 | -12 |
| 9 | 3 |
| 10 | 18 |
| 11 | -12 |
| 12 | -24 |
| 13 | -14 |
| 14 | 24 |
| 15 | 24 |
| 16 | 24 |
| 17 | -18 |
| 18 | -9 |
| 19 | -20 |
| 20 | -36 |
| 21 | 32 |
| 22 | 36 |
| 23 | -24 |
| 24 | 48 |
| 25 | 5 |
| 26 | 42 |
| 27 | 0 |
| 28 | -48 |
| 29 | -30 |
| 30 | -72 |
| 31 | -32 |
| 32 | -48 |
| 33 | 48 |
| 34 | 54 |
| 35 | 48 |
| 36 | 18 |
| 37 | -38 |
| 38 | 60 |
| 39 | 56 |
| 40 | 72 |
| 41 | -42 |
| 42 | -96 |
| 43 | -44 |
| 44 | -72 |
| 45 | -18 |
| 46 | 72 |
| 47 | -48 |
| 48 | -96 |
| 49 | 7 |
| 50 | -15 |
| 51 | 72 |
| 52 | -84 |
| 53 | -54 |
| 54 | 0 |
| 55 | 72 |
| 56 | 96 |
| 57 | 80 |
| 58 | 90 |
| 59 | -60 |
| 60 | 144 |
| 61 | -62 |
| 62 | 96 |
| 63 | -24 |
| 64 | 96 |
| 65 | 84 |
| 66 | -144 |
| 67 | -68 |
| 68 | -108 |
| 69 | 96 |
| 70 | -144 |
| 71 | -72 |
| 72 | -36 |
[1,-3,-4,6,-6,12,-8,-12,3,18,-12,-24,-14,24,24,24, -18,-9,-20,-36,32,36,-24,48,5,42,0,-48,-30,-72, -32,-48,48,54,48,18,-38,60,56,72,-42,-96,-44,-72, -18,72,-48,-96,7,-15,72,-84,-54,0,72,96,80,90,-60, 144,-62,96,-24,96,84,-144,-68,-108,96,-144,-72, -36] |