login

A037677 as a simple table

na(n)
11
27
351
4360
52521
617647
7123531
8864720
96053041
1042371287
11296599011
122076193080
1314533351561
14101733460927
15712134226491
164984939585440
1734894577098081
18244262039686567
191709834277805971

[1,7,51,360,2521,17647,123531,864720,6053041,
 42371287,296599011,2076193080,14533351561,
 101733460927,712134226491,4984939585440,
 34894577098081,244262039686567,1709834277805971]