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A036563 as a simple table

na(n)
0-2
1-1
21
35
413
529
661
7125
8253
9509
101021
112045
124093
138189
1416381
1532765
1665533
17131069
18262141
19524285
201048573
212097149
224194301
238388605
2416777213
2533554429
2667108861
27134217725
28268435453
29536870909
301073741821
312147483645

[-2,-1,1,5,13,29,61,125,253,509,1021,2045,4093,
 8189,16381,32765,65533,131069,262141,524285,
 1048573,2097149,4194301,8388605,16777213,33554429,
 67108861,134217725,268435453,536870909,1073741821,
 2147483645]