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A101497 as a simple table

na(n)
01
12
23
34
43
5-2
6-15
7-40
8-79
9-126
10-157
11-116
1299
13638
141665
153248
165121
176274
184387
19-4716
20-27101
21-69250
22-133455
23-207992
24-250383
25-164606
26220227
271149212
282878019
295480190
308441729
319978208
326118017
33-10127614
34-48653373
35-119520988
36-224904765
37-342375170

[1,2,3,4,3,-2,-15,-40,-79,-126,-157,-116,99,638,
 1665,3248,5121,6274,4387,-4716,-27101,-69250,
 -133455,-207992,-250383,-164606,220227,1149212,
 2878019,5480190,8441729,9978208,6118017,-10127614,
 -48653373,-119520988,-224904765,-342375170]