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A135085 as a simple table

na(n)
01
12
215
34140
410480142147
5128064670049908713818925644
6172134143357358850934369963665272571125557575184049758045339873395

[1,2,15,4140,10480142147,
 128064670049908713818925644,
 17213414335735885093436996366527257112555757518404\
 9758045339873395]