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A117030 as a simple table

na(n)
11
21
31
40
5-2
6-3
73
8-10
9-28
10279
11-7803
12-2177000
1316987130758
14-36980983660158439
15-628200804994572838287982201
1623231483704802676028750227275477328286998042
17-14594036764575342428539025427350979161630036659925283421091485142638200

[1,1,1,0,-2,-3,3,-10,-28,279,-7803,-2177000,
 16987130758,-36980983660158439,
 -628200804994572838287982201,
 23231483704802676028750227275477328286998042,
 -1459403676457534242853902542735097916163003665992\
 5283421091485142638200]