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A117455 as a simple table

na(n)
10
20
31
42
54
68
712
819
927
1041
1154
1276
1399
14133
15171
16223
17279
18357
19443
20554
21682
22841
231022
241247
251504
261814
272174
282603
293092
303676
314346
325127
336030
347076
358275
369669
3711254
3813078
3915167
4017556
4120270
4223377
4326899
4430902
4535448
4640592
4746403

[0,0,1,2,4,8,12,19,27,41,54,76,99,133,171,223,279,
 357,443,554,682,841,1022,1247,1504,1814,2174,2603,
 3092,3676,4346,5127,6030,7076,8275,9669,11254,
 13078,15167,17556,20270,23377,26899,30902,35448,
 40592,46403]