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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A204306 as a simple table

na(n)
1162000
215057392
31271789125
459151473070
52692305415538
678592862286558
72280158782254760
847375179742331854
9981488838289977946
1015710084391826908480
11250882297840940220789
123265738290778768165918

[162000,15057392,1271789125,59151473070,
 2692305415538,78592862286558,2280158782254760,
 47375179742331854,981488838289977946,
 15710084391826908480,250882297840940220789,
 3265738290778768165918]