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A160613 as a simple table

na(n)
01
14
223
328
4491
51249
619223
715476
83515161
91512661
1014496817
11228800107
1211770539419
1360428965661
145262254717509
152521163372543
16976843770850217
17887131806309703
1873511154681979031
19255777165814872577

[1,4,23,28,491,1249,19223,15476,3515161,1512661,
 14496817,228800107,11770539419,60428965661,
 5262254717509,2521163372543,976843770850217,
 887131806309703,73511154681979031,
 255777165814872577]