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A290392 as a simple table

na(n)
10
20
30
40
54
613
798
8415
91151
102471
114385
126893
139995
1413691
1517981
1622865
1728343
1834415
1941081
2048341
2156195
2264643
2373685
2483321
2593551
26104375
27115793
28127805
29140411
30153611
31167405
32181793
33196775
34212351
35228521
36245285
37262643
38280595

[0,0,0,0,4,13,98,415,1151,2471,4385,6893,9995,
 13691,17981,22865,28343,34415,41081,48341,56195,
 64643,73685,83321,93551,104375,115793,127805,
 140411,153611,167405,181793,196775,212351,228521,
 245285,262643,280595]