login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A111515 as a simple table

na(n)
01
15
2176
356
44565
5385
663261
71958
8614154
98349
104697205
1131185
1230167357
13105558
14169229875
15329931
16851376628
17966467
183913864295
192679689
2016670689208
217089500
2266493182097
2318004327
24250438925115
2544108109
26896684817527
27104651419
283068829878530

[1,5,176,56,4565,385,63261,1958,614154,8349,
 4697205,31185,30167357,105558,169229875,329931,
 851376628,966467,3913864295,2679689,16670689208,
 7089500,66493182097,18004327,250438925115,
 44108109,896684817527,104651419,3068829878530]