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A203031 as a simple table

na(n)
14
212
34
436
528
64
7108
8396
9120
104
11324
124904
134740
14356
154
16972
1757100
18191208
1950716
201472
214
222916
23690204
248536230
257788648
26578696
274780
284
298748
308590508
31396419436
321267847188
33315135868
346829968
3520228
364
3726244
38107540900
3918828234948

[4,12,4,36,28,4,108,396,120,4,324,4904,4740,356,4,
 972,57100,191208,50716,1472,4,2916,690204,8536230,
 7788648,578696,4780,4,8748,8590508,396419436,
 1267847188,315135868,6829968,20228,4,26244,
 107540900,18828234948]