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A171736 as a simple table

na(n)
016
1727
270207
37002007
4700020007
570000200007
67000002000007
7700000020000007
870000000200000007
97000000002000000007
10700000000020000000007
1170000000000200000000007

[16,727,70207,7002007,700020007,70000200007,
 7000002000007,700000020000007,70000000200000007,
 7000000002000000007,700000000020000000007,
 70000000000200000000007]