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A151967 as a simple table

na(n)
20
30
46174
562964
6420876
77509843
864308654
9864197532
106431088654
1186420987532
12643310886654
138643209876532
1443333208766666
15885432098765412
166543331088666544
1788754320987654212
18643111110888888654

[0,0,6174,62964,420876,7509843,64308654,864197532,
 6431088654,86420987532,643310886654,8643209876532,
 43333208766666,885432098765412,6543331088666544,
 88754320987654212,643111110888888654]