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A098487 as a simple table

na(n)
11
24
30
49
516
68
716
878
9140
1079
1125
12228
13964
141987
151974
1636
17520
183920
1916834
2042368
2162266
2249
231020
2411860
2585275
26397014
271220298
282484382
2964
301806
3129708
32317471
332326320
3412033330
3544601420
36119138166
3781
382968
3965240
40962089
4110087628
4277784658
43450193818
441979541332
456655170642

[1,4,0,9,16,8,16,78,140,79,25,228,964,1987,1974,
 36,520,3920,16834,42368,62266,49,1020,11860,85275,
 397014,1220298,2484382,64,1806,29708,317471,
 2326320,12033330,44601420,119138166,81,2968,65240,
 962089,10087628,77784658,450193818,1979541332,
 6655170642]