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A353047 as a simple table

na(n)
512
6108
7600
82664
910404
1037476
11127920
12420768
131348476
144242204
1513169160
1640490712
17123635028
18375623892
191137095520
203433306896
2110347106860
2231141984140
2393639862200
24281372571720
25845074016772
262537235316548
277615933808400
2822856659795584
2968588501433564

[12,108,600,2664,10404,37476,127920,420768,
 1348476,4242204,13169160,40490712,123635028,
 375623892,1137095520,3433306896,10347106860,
 31141984140,93639862200,281372571720,845074016772,
 2537235316548,7615933808400,22856659795584,
 68588501433564]