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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”).

A302007 as a simple table

na(n)
116
2512
313616
4369040
59989376
6270422672
77320574992
8198174358400
95364752820144
10145228540660944
113931463336250816
12106428143490485072
132881102723859806480
1477993965065966629248
152111364699472345059888

[16,512,13616,369040,9989376,270422672,7320574992,
 198174358400,5364752820144,145228540660944,
 3931463336250816,106428143490485072,
 2881102723859806480,77993965065966629248,
 2111364699472345059888]