n | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | 25 | 27 |
a[n] | 1. | −2.3482 | 1.3617 | −1.4977 | 1.1270 | −1.0472 | 0.8581 | −0.7593 | 0.6390 | −0.5568 | 0.4727 | −0.4099 | 0.3489 | −0.3021 |