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A028938 as a simple table

na(n)
10
23
3-14
469
52065
6-28888
72616119
8-332513754
98280062505
1018784454671297
11-10663732503571536
128938035295591025771
1331636113722016288336230
14-41974401721854929811774227
15754388827236735824355996347601

[0,3,-14,69,2065,-28888,2616119,-332513754,
 8280062505,18784454671297,-10663732503571536,
 8938035295591025771,31636113722016288336230,
 -41974401721854929811774227,
 754388827236735824355996347601]