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A270818 as a simple table

na(n)
119
259
343787
411185019
52932031008019
6768614336404565891
73148244321913096810907
81177898043185589553055531667161945677218322597917079305414404134195099211

[19,59,43787,11185019,2932031008019,
 768614336404565891,3148244321913096810907,
 11778980431855895530555316671619456772183225979170\
 79305414404134195099211]