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A253793 as a simple table

na(n)
1512
222284
31876256
4300044272
583428823136
646476504760232
752039375590860424
8118597465899997893216
9569271553154356424613768
105751777935867721798745615520

[512,22284,1876256,300044272,83428823136,
 46476504760232,52039375590860424,
 118597465899997893216,569271553154356424613768,
 5751777935867721798745615520]