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A176753 as a simple table

na(n)
01
11
20
3-1
4-4
5-12
6-34
7-93
8-248
9-644
10-1622
11-3932
12-9054
13-19314
14-36066
15-48953
168372
17415848
182180870
198609676
2029858358
2195443242
22286747530
23815867808
242199049782
255577559986
2613083598882
2727240793594
2844583397354

[1,1,0,-1,-4,-12,-34,-93,-248,-644,-1622,-3932,
 -9054,-19314,-36066,-48953,8372,415848,2180870,
 8609676,29858358,95443242,286747530,815867808,
 2199049782,5577559986,13083598882,27240793594,
 44583397354]