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A245306 as a simple table

na(n)
01
12
22
35
410
526
665
7170
8442
91157
103026
117922
1220737
1354290
14142130
15372101
16974170
172550410
186677057
1917480762
2045765226
21119814917
22313679522
23821223650
242149991425
255628750626
2614736260450
2738580030725
28101003831722
29264431464442
30692290561601

[1,2,2,5,10,26,65,170,442,1157,3026,7922,20737,
 54290,142130,372101,974170,2550410,6677057,
 17480762,45765226,119814917,313679522,821223650,
 2149991425,5628750626,14736260450,38580030725,
 101003831722,264431464442,692290561601]