login

A212876 as a simple table

na(n)
15
217
337
4101
5257
61297
74357
814401
944101
1065537
11828101
12933157
138122501
148386817
1512362257
1641990401
17121220101
18157402117
19223502501
20318622501
21378146917
22506700101
23684345601
24702038017

[5,17,37,101,257,1297,4357,14401,44101,65537,
 828101,933157,8122501,8386817,12362257,41990401,
 121220101,157402117,223502501,318622501,378146917,
 506700101,684345601,702038017]