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A104723 as a simple table

na(n)
00
11
20
32
44
510
618
742
880
9168
10330
11682
121340
132730
145418
1510910
1621760
1743690
1887192
19174762
20349180
21699006
221397418
232796202
245590960
2511184800
2622366890
2744739072
2889473020
29178956970
30357902670
31715827882
321431633920
332863310846

[0,1,0,2,4,10,18,42,80,168,330,682,1340,2730,5418,
 10910,21760,43690,87192,174762,349180,699006,
 1397418,2796202,5590960,11184800,22366890,
 44739072,89473020,178956970,357902670,715827882,
 1431633920,2863310846]