Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 16 |
6 | 80 |
7 | 672 |
8 | 4752 |
9 | 48768 |
10 | 440192 |
11 | 5377280 |
12 | 59245120 |
13 | 839996160 |
14 | 10930514688 |
15 | 176547098112 |
16 | 2649865335040 |
17 | 48047352500224 |
18 | 817154768973824 |
19 | 16438490531536896 |
20 | 312426715251262464 |
21 | 6906073926286725120 |
22 | 145060238642780180480 |
23 | 3495192502897779875840 |
[1,0,0,0,4,16,80,672,4752,48768,440192,5377280, 59245120,839996160,10930514688,176547098112, 2649865335040,48047352500224,817154768973824, 16438490531536896,312426715251262464, 6906073926286725120,145060238642780180480, 3495192502897779875840] |