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A316279 as a simple table

na(n)
13
2383
35321
4102072
51820908
632932624
7594230641
810728510594
9193678113501
103496595963156
1163126275991712
121139665749159195
1320575273277481549
14371461824175945801
156706299988688799848
16121074274531205706710

[3,383,5321,102072,1820908,32932624,594230641,
 10728510594,193678113501,3496595963156,
 63126275991712,1139665749159195,20575273277481549,
 371461824175945801,6706299988688799848,
 121074274531205706710]