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A269154 as a simple table

na(n)
01
1-1
22
3-3
49
5-13
631
7-53
8118
9-210
10452
11-866
121793
13-3493
147119
15-13992
1628257
17-56253
18113035
19-225318
20451745
21-901870
221805976
23-3609701
247222075
25-14439594
2628887060
27-57763494
28115540784
29-231066845
30462154358
31-924282660
321848598423
33-3697142099

[1,-1,2,-3,9,-13,31,-53,118,-210,452,-866,1793,
 -3493,7119,-13992,28257,-56253,113035,-225318,
 451745,-901870,1805976,-3609701,7222075,-14439594,
 28887060,-57763494,115540784,-231066845,462154358,
 -924282660,1848598423,-3697142099]