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A252585 as a simple table

na(n)
13
2234
31617
4112948
5779551
654440862
7375742125
826240382696
9181106924859
1012647810018770
1187293162040073
126096218188664604
1342075122996390487
142938364519126320518
1520280121991098174821
161416285602000697825232
179774976724586323873395

[3,234,1617,112948,779551,54440862,375742125,
 26240382696,181106924859,12647810018770,
 87293162040073,6096218188664604,42075122996390487,
 2938364519126320518,20280121991098174821,
 1416285602000697825232,9774976724586323873395]