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A197367 as a simple table

na(n)
11
21
332
4161
57485
6509018
779831388
827751402365
920901475723923
1034381589920722561
11123453405715147118697

[1,1,32,161,7485,509018,79831388,27751402365,
 20901475723923,34381589920722561,
 123453405715147118697]