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A157774 as a simple table

na(n)
01
1-9
2-175
36183
4209825
5-12938409
6-649941775
756426750343
83774162697025
9-421555664358729
10-35240023415083375
114811182874732508903
12482622211682628032225
13-77871245245152983900649
14-9113360881681069177600975
151696667241973068492022945863

[1,-9,-175,6183,209825,-12938409,-649941775,
 56426750343,3774162697025,-421555664358729,
 -35240023415083375,4811182874732508903,
 482622211682628032225,-77871245245152983900649,
 -9113360881681069177600975,
 1696667241973068492022945863]