login

A009457 as a simple table

na(n)
00
11
21
31
42
5-5
641
7-289
82316
9-20383
10196965
11-2077319
1223780646
13-293954869
143904755557
15-55497739465
16840656150296
17-13523247084319
18230285930161321
19-4139153666264303
2078317988438360330

[0,1,1,1,2,-5,41,-289,2316,-20383,196965,-2077319,
 23780646,-293954869,3904755557,-55497739465,
 840656150296,-13523247084319,230285930161321,
 -4139153666264303,78317988438360330]