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A130978 as a simple table

na(n)
01
17
291
31435
424955
5460747
68859739
7175466347
83553964155
973266506635
101532152991131
1132420721097387
12692865048943291
1314932919812627915
14324195908270339035
157083228794200550635

[1,7,91,1435,24955,460747,8859739,175466347,
 3553964155,73266506635,1532152991131,
 32420721097387,692865048943291,14932919812627915,
 324195908270339035,7083228794200550635]