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A123589 as a simple table

na(n)
11
24
318
493
5416
62073
79720
846859
9223726
101069831
115121642
1224482721
13117159620
14560315013
152680448172
1612821551727
1761331067154
18293376558067
191403343084750
206712850697141
2132110530228584
22153599278134609

[1,4,18,93,416,2073,9720,46859,223726,1069831,
 5121642,24482721,117159620,560315013,2680448172,
 12821551727,61331067154,293376558067,
 1403343084750,6712850697141,32110530228584,
 153599278134609]