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A216082 as a simple table

na(n)
12
234
32440
4322768
587852160
633093252880
720358402201792
815604440074084672
917423570614012565376
1022946861101272125055616
1141082882676098706722895360
1283889915459846520832774898688
13222247072052822589353800809064448

[2,34,2440,322768,87852160,33093252880,
 20358402201792,15604440074084672,
 17423570614012565376,22946861101272125055616,
 41082882676098706722895360,
 83889915459846520832774898688,
 222247072052822589353800809064448]