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A327450 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
131
140
150
160
17137
18211
190
200
210
223035
230
240
250
26120465
27259383
280
290
300
3112328889
320
330
340
35673380980
361659966694
370
380
390
4069819104134
410
420
430
443761284888715
459660240745536
460
470
480
49537238185892321
500
510
520
5329922345673502904

[0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,137,211,0,0,0,
 3035,0,0,0,120465,259383,0,0,0,12328889,0,0,0,
 673380980,1659966694,0,0,0,69819104134,0,0,0,
 3761284888715,9660240745536,0,0,0,537238185892321,
 0,0,0,29922345673502904]