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A089945 as a simple table

na(n)
01
13
215
3112
41125
514256
6218491
73932160
881310473
91900000000
1049516901511
111424099377152
1244804009850925
131530735634132992
1456439656982421875
152233785415175766016
1694459960699823921169
174250383588380798812160
18202774313738037680879743

[1,3,15,112,1125,14256,218491,3932160,81310473,
 1900000000,49516901511,1424099377152,
 44804009850925,1530735634132992,56439656982421875,
 2233785415175766016,94459960699823921169,
 4250383588380798812160,202774313738037680879743]