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A293013 as a simple table

na(n)
01
11
25
355
4961
524101
6818821
736053515
81984670465
9132825475081
1010583425959301
11988018789759871
12106673677280748865
1313172700275176482925
141842428769970603518341
15289406832942160060794451
1650677793314733587473331201
179829328870566195730521433105

[1,1,5,55,961,24101,818821,36053515,1984670465,
 132825475081,10583425959301,988018789759871,
 106673677280748865,13172700275176482925,
 1842428769970603518341,289406832942160060794451,
 50677793314733587473331201,
 9829328870566195730521433105]