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A192657 as a simple table

na(n)
01
12
25
312
428
562
6138
7300
8646
91378
102919
116148
1212890
1326914
1456010
15116224
16240567
17496854
181024202
192107660
204330651
218886094
2218210883
2337278902
2476234264
25155750644
26317932560
27648477346
281321706751
292692024172
305479576436
3111146993980
3222663554750
3346054591760

[1,2,5,12,28,62,138,300,646,1378,2919,6148,12890,
 26914,56010,116224,240567,496854,1024202,2107660,
 4330651,8886094,18210883,37278902,76234264,
 155750644,317932560,648477346,1321706751,
 2692024172,5479576436,11146993980,22663554750,
 46054591760]