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A013570 as a simple table

na(n)
11
2-13
31
411
519
6-10243
7751
849873
92857
10-72752269
11434293
121524997
138181904909
14-454156185199
155044289
1623214243090113
175026792806787
18-2652186577877894731
1969028763155644023

[1,-13,1,11,19,-10243,751,49873,2857,-72752269,
 434293,1524997,8181904909,-454156185199,5044289,
 23214243090113,5026792806787,-2652186577877894731,
 69028763155644023]