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A004346 as a simple table

na(n)
41
525
6435
76545
891390
91221759
1015890700
11202927725
122558620845
1331966749880
14396704524216
154898229264825
1660246643120300
17738799683460650
189038619861406740
19110375347398090219
201345860629046814650

[1,25,435,6545,91390,1221759,15890700,202927725,
 2558620845,31966749880,396704524216,4898229264825,
 60246643120300,738799683460650,9038619861406740,
 110375347398090219,1345860629046814650]