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A178320 as a simple table

na(n)
01
12
26
314
435
585
6208
7508
81241
93032
107407
1118096
1244209
13108005
14263861
15644625
161574849
173847430
189399452
1922963302
2056100424
21137055967
22334834156
23818015548
241998450352
254882307945
2611927707309
2729139948412
2871190260748

[1,2,6,14,35,85,208,508,1241,3032,7407,18096,
 44209,108005,263861,644625,1574849,3847430,
 9399452,22963302,56100424,137055967,334834156,
 818015548,1998450352,4882307945,11927707309,
 29139948412,71190260748]