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A021990 as a simple table

na(n)
00
-10
-21
-30
-41
-54
-61
-79
-88
-97
-108
-112
-129
-136
-141
-154
-166
-170
-184
-194
-206
-212
-224
-237
-244
-256
-264
-275
-280
-293
-300
-314
-322
-335
-349
-356
-363
-374
-388
-398
-408
-414
-423
-438
-441
-453
-463
-478
-487
-494
-502
-513
-529
-533
-545
-550
-569
-571
-582
-597
-607
-618
-629
-630
-644
-656
-666
-675
-683
-691
-704
-714
-720
-731
-746
-752
-762
-777
-781
-798
-800
-815
-822
-837
-843
-858
-863
-873
-886
-897
-901
-913
-929
-939
-945
-959
-964
-973
-982

[0,0,1,0,1,4,1,9,8,7,8,2,9,6,1,4,6,0,4,4,6,2,4,7,
 4,6,4,5,0,3,0,4,2,5,9,6,3,4,8,8,8,4,3,8,1,3,3,8,7,
 4,2,3,9,3,5,0,9,1,2,7,7,8,9,0,4,6,6,5,3,1,4,4,0,1,
 6,2,2,7,1,8,0,5,2,7,3,8,3,3,6,7,1,3,9,9,5,9,4,3,2]