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A010741 as a simple table

na(n)
01
12
24
31
41
51
6-6
714
8-25
932
106
11-250
121222
13-4380
1413059
15-31705
1648464
1776354
18-1159911
197041015
20-33400183
21135931668
22-473704510
231277600695
24-1233828142
25-16196871172
26169736941512
27-1156974034428
286577630531262
29-32839667759307
30142900400342885

[1,2,4,1,1,1,-6,14,-25,32,6,-250,1222,-4380,13059,
 -31705,48464,76354,-1159911,7041015,-33400183,
 135931668,-473704510,1277600695,-1233828142,
 -16196871172,169736941512,-1156974034428,
 6577630531262,-32839667759307,142900400342885]