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A266376 as a simple table

na(n)
01
14
210
323
449
5100
6202
7404
8804
91598
103173
116297
1212494
1324786
1449168
1597532
16193466
17383759
18761221
191509948
202995110
215941052
2211784572
2323375678
2446367597
2591973973
26182437998
27361880886
28717820720
291423856868
302824338058
315602308519
3211112643065

[1,4,10,23,49,100,202,404,804,1598,3173,6297,
 12494,24786,49168,97532,193466,383759,761221,
 1509948,2995110,5941052,11784572,23375678,
 46367597,91973973,182437998,361880886,717820720,
 1423856868,2824338058,5602308519,11112643065]