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A001977 as a simple table

na(n)
01
11
24
38
418
532
658
794
8151
9227
10338
11480
12676
13920
141242
151636
162137
172739
183486
194370
205444
216698
228196
239926
2411963
2514293
2617002
2720076
2823612
2927594
3032134
3137212
3242955
3349341
3456512
3564444
3673294
3783036
3893844
39105690
40118765
41133037

[1,1,4,8,18,32,58,94,151,227,338,480,676,920,1242,
 1636,2137,2739,3486,4370,5444,6698,8196,9926,
 11963,14293,17002,20076,23612,27594,32134,37212,
 42955,49341,56512,64444,73294,83036,93844,105690,
 118765,133037]