Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 3 |
3 | -4 |
4 | 7 |
5 | -12 |
6 | 17 |
7 | -24 |
8 | 36 |
9 | -52 |
10 | 71 |
11 | -96 |
12 | 133 |
13 | -182 |
14 | 240 |
15 | -316 |
16 | 420 |
17 | -552 |
18 | 713 |
19 | -916 |
20 | 1182 |
21 | -1516 |
22 | 1920 |
23 | -2424 |
24 | 3063 |
25 | -3852 |
26 | 4806 |
27 | -5976 |
28 | 7430 |
29 | -9204 |
30 | 11336 |
31 | -13924 |
32 | 17088 |
33 | -20908 |
34 | 25473 |
35 | -30960 |
36 | 37586 |
37 | -45518 |
38 | 54939 |
39 | -66172 |
40 | 79603 |
41 | -95556 |
42 | 114399 |
[1,-2,3,-4,7,-12,17,-24,36,-52,71,-96,133,-182, 240,-316,420,-552,713,-916,1182,-1516,1920,-2424, 3063,-3852,4806,-5976,7430,-9204,11336,-13924, 17088,-20908,25473,-30960,37586,-45518,54939, -66172,79603,-95556,114399] |