login

A136580 as a simple table

na(n)
01
11
23
37
427
5127
6747
75167
841067
9368047
103669867
1140284847
12482671467
136267305647
1487660962667
151313941673647
1621010450850667
17357001369769647
186423384156578667
19122002101778601647
202439325392333218667

[1,1,3,7,27,127,747,5167,41067,368047,3669867,
 40284847,482671467,6267305647,87660962667,
 1313941673647,21010450850667,357001369769647,
 6423384156578667,122002101778601647,
 2439325392333218667]