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A256400 as a simple table

na(n)
01
11
21
32
42
57
616
767
888
9617
102626
1118176
126949
13423271
142172172
1519151162
1658438907
17899510224
187656246634
191236339998
20460251204914
216682341795214
2255431849118769
2358399157390146
242845938531282919
2554648005951674444
2612207653488921678

[1,1,1,2,2,7,16,67,88,617,2626,18176,6949,423271,
 2172172,19151162,58438907,899510224,7656246634,
 1236339998,460251204914,6682341795214,
 55431849118769,58399157390146,2845938531282919,
 54648005951674444,12207653488921678]