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A323847 as a simple table

na(n)
01
10
20
34
416
541
685
7155
8259
9406
10606
11870
121210
131639
142171
152821
163605
174540
185644
196936
208436
2110165
2212145
2314399
2416951
2519826
2623050
2726650
2830654
2935091
3039991
3145385
3251305
3357784
3464856
3572556
3680920
3789985
3899789
39110371
40121771
41134030
42147190

[1,0,0,4,16,41,85,155,259,406,606,870,1210,1639,
 2171,2821,3605,4540,5644,6936,8436,10165,12145,
 14399,16951,19826,23050,26650,30654,35091,39991,
 45385,51305,57784,64856,72556,80920,89985,99789,
 110371,121771,134030,147190]