login

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

A112447 as a simple table

na(n)
01
11
23
31
45
53
611
75
821
911
1043
1121
1285
1343
14171
1585
16341
17171
18683
19341
201365
21683
222731
231365
245461
252731
2610923
275461
2821845
2910923
3043691
3121845
3287381
3343691
34174763
3587381
36349525
37174763
38699051
39349525
401398101
41699051
422796203
431398101
445592405

[1,1,3,1,5,3,11,5,21,11,43,21,85,43,171,85,341,
 171,683,341,1365,683,2731,1365,5461,2731,10923,
 5461,21845,10923,43691,21845,87381,43691,174763,
 87381,349525,174763,699051,349525,1398101,699051,
 2796203,1398101,5592405]