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A126766 as a simple table

na(n)
176
27
38
416
58
616
710
87
940
1011
1127
1212
13308
1413
1584
169
17128
1817
1928
2016
2116
2216
2334
2412
2520
2617
2791
2812

[76,7,8,16,8,16,10,7,40,11,27,12,308,13,84,9,128,
 17,28,16,16,16,34,12,20,17,91,12]