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A153687 as a simple table

na(n)
11
22
33
44
55
66
77
823
956
1077
11103
12320
131477
141821
152992
1615290
17180168
18410498
19548816
20672732
212601223

[1,2,3,4,5,6,7,23,56,77,103,320,1477,1821,2992,
 15290,180168,410498,548816,672732,2601223]