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A117379 as a simple table

na(n)
01
1-4
21
3-5
45
5-6
610
7-11
816
9-21
1027
11-37
1248
13-64
1485
15-112
16149
17-197
18261
19-346
20458
21-607
22804
23-1065
241411
25-1869
262476
27-3280
284345
29-5756
307625
31-10101
3213381
33-17726
3423482
35-31107
3641208

[1,-4,1,-5,5,-6,10,-11,16,-21,27,-37,48,-64,85,
 -112,149,-197,261,-346,458,-607,804,-1065,1411,
 -1869,2476,-3280,4345,-5756,7625,-10101,13381,
 -17726,23482,-31107,41208]