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A207347 as a simple table

na(n)
16
236
384
4192
5426
6858
71704
83330
96390
1012150
1122938
1243044
1380424
14149766
15278160
16515568
17954072
181763304
193255666
206006342
2111074116
2220407650
2337592934
2469228330
25127454070
26234605316
27431771328
28794539482
291461954876
302689788048

[6,36,84,192,426,858,1704,3330,6390,12150,22938,
 43044,80424,149766,278160,515568,954072,1763304,
 3255666,6006342,11074116,20407650,37592934,
 69228330,127454070,234605316,431771328,794539482,
 1461954876,2689788048]