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A137531 as a simple table

na(n)
01
14
210
323
453
5123
6286
7665
81546
93594
108355
1119423
1245153
13104968
14244021
15567280
161318766
173065759
187127025
1916568323
2038516678
2189540413
22208156206
23483904470
241124941411
252615171499
266079536145
2714133206848
2832855719753
2976380281708
30177562612466

[1,4,10,23,53,123,286,665,1546,3594,8355,19423,
 45153,104968,244021,567280,1318766,3065759,
 7127025,16568323,38516678,89540413,208156206,
 483904470,1124941411,2615171499,6079536145,
 14133206848,32855719753,76380281708,177562612466]