login

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

A138703 as a simple table

na(n)
01
12
26
30
430
50
642
70
830
90
1018
110
1237
130
147
150
1628
170
1896
190
20559
210
226210
230
2486617
250
261425523
270
2827298263
290
30601580913
310
3215116315788
330
34429614643067
350
3613711655205344
370
38488332318973599
390
4019296579341940107
410
42841693047573684421
430
4440338071854059455479

[1,2,6,0,30,0,42,0,30,0,18,0,37,0,7,0,28,0,96,0,
 559,0,6210,0,86617,0,1425523,0,27298263,0,
 601580913,0,15116315788,0,429614643067,0,
 13711655205344,0,488332318973599,0,
 19296579341940107,0,841693047573684421,0,
 40338071854059455479]