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A010742 as a simple table

na(n)
01
11
21
31
4-14
545
6-101
7189
8-331
9668
10-1932
117206
12-27779
13101365
14-347439
151139851
16-3690766
1712258863
18-43341845
19166059261
20-682516519
212930522990
22-12823188092
2356366526324
24-247898684759
251094571175769

[1,1,1,1,-14,45,-101,189,-331,668,-1932,7206,
 -27779,101365,-347439,1139851,-3690766,12258863,
 -43341845,166059261,-682516519,2930522990,
 -12823188092,56366526324,-247898684759,
 1094571175769]