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A060882 as a simple table

na(n)
0-1
1-1
21
323
4199
52297
630013
7510491
89699667
9223092841
106469693199
11200560490093
127420738134769
13304250263527167
1413082761331669983
15614889782588491357
1632589158477190044671
171922760350154212639009

[-1,-1,1,23,199,2297,30013,510491,9699667,
 223092841,6469693199,200560490093,7420738134769,
 304250263527167,13082761331669983,
 614889782588491357,32589158477190044671,
 1922760350154212639009]