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A320968 as a simple table

na(n)
01
12
24
310
418
534
664
7110
8188
9320
10524
11846
121358
132130
143308
155102
167750
1711674
1817468
1925862
2038022
2155558
2280532
23116034
24166284
25236784
26335416
27472868
28663146
29925762
301286920
311780962
322454792
333370806
344610656
356284090
368535868
3711554834
3815591564

[1,2,4,10,18,34,64,110,188,320,524,846,1358,2130,
 3308,5102,7750,11674,17468,25862,38022,55558,
 80532,116034,166284,236784,335416,472868,663146,
 925762,1286920,1780962,2454792,3370806,4610656,
 6284090,8535868,11554834,15591564]