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A236816 as a simple table

na(n)
118527
2419301
39360398
4230126265
55737086630
6148094642882
73864575378035
8102225528160171
92719153814334744
1072722922283523296
111949831740234876333
1252394722995829227892
131409433338360541581858
1437949017664736828952251

[18527,419301,9360398,230126265,5737086630,
 148094642882,3864575378035,102225528160171,
 2719153814334744,72722922283523296,
 1949831740234876333,52394722995829227892,
 1409433338360541581858,37949017664736828952251]