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A049670 as a simple table

na(n)
00
11
2123
315128
41860621
5228841255
628145613744
73461681649257
8425758697244867
952364858079469384
106440451785077489365
11792123204706451722511
1297424713727108484379488
1311982447665229637126954513
141473743638109518258131025611
15181258485039805516112989195640

[0,1,123,15128,1860621,228841255,28145613744,
 3461681649257,425758697244867,52364858079469384,
 6440451785077489365,792123204706451722511,
 97424713727108484379488,
 11982447665229637126954513,
 1473743638109518258131025611,
 181258485039805516112989195640]