Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 5 |
3 | 2 |
4 | 20 |
5 | 27 |
6 | 108 |
7 | 191 |
8 | 599 |
9 | 1261 |
10 | 3503 |
11 | 8019 |
12 | 20956 |
13 | 49932 |
14 | 126833 |
15 | 308197 |
16 | 772321 |
17 | 1894368 |
18 | 4716189 |
19 | 11620491 |
20 | 28839210 |
21 | 71214717 |
22 | 176468284 |
23 | 436228102 |
24 | 1080165740 |
25 | 2671530008 |
26 | 6612751510 |
27 | 16359100711 |
28 | 40486188269 |
29 | 100169626090 |
[0,5,2,20,27,108,191,599,1261,3503,8019,20956, 49932,126833,308197,772321,1894368,4716189, 11620491,28839210,71214717,176468284,436228102, 1080165740,2671530008,6612751510,16359100711, 40486188269,100169626090] |