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A167756 as a simple table

na(n)
01
131
2930
327900
4837000
525110000
6753300000
722599000000
8677970000000
920339100000000
10610173000000000
1118305190000000000
12549155700000000000
1316474671000000000000
14494240130000000000000
1514827203899999999999535

[1,31,930,27900,837000,25110000,753300000,
 22599000000,677970000000,20339100000000,
 610173000000000,18305190000000000,
 549155700000000000,16474671000000000000,
 494240130000000000000,14827203899999999999535]