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A076684 as a simple table

na(n)
01
133
2609
310945
4196417
53524577
663245985
71134903169
820365011073
9365435296161
106557470319841
11117669030460993
122111485077978049
1337889062373143905
14679891637638612257
1512200160415121876737

[1,33,609,10945,196417,3524577,63245985,
 1134903169,20365011073,365435296161,6557470319841,
 117669030460993,2111485077978049,
 37889062373143905,679891637638612257,
 12200160415121876737]