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A337589 as a simple table

na(n)
01
10
20
31
40
5-2
61
74
8-5
9-7
1018
117
12-55
1318
14146
15-155
16-322
17692
18476
19-2446
20307
217322
22-6276
23-18277
2433061
2533376
26-129238
27-10899
28420594
29-276272
30-1147125
311742502
322413761
33-7448113
34-2292774
3525986573
36-11940263
37-76138258
3896229907
39178087693
40-450647034

[1,0,0,1,0,-2,1,4,-5,-7,18,7,-55,18,146,-155,-322,
 692,476,-2446,307,7322,-6276,-18277,33061,33376,
 -129238,-10899,420594,-276272,-1147125,1742502,
 2413761,-7448113,-2292774,25986573,-11940263,
 -76138258,96229907,178087693,-450647034]