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A303523 as a simple table

na(n)
113
2113
3286
41875
513031
6102779
7965150
89961980
9109395622
101249312308
1114535068668
12170908188530
132021484478581
1423981853993648
15284987683948763
163389805878799915
1740340446531700113
18480206820275333547

[13,113,286,1875,13031,102779,965150,9961980,
 109395622,1249312308,14535068668,170908188530,
 2021484478581,23981853993648,284987683948763,
 3389805878799915,40340446531700113,
 480206820275333547]