login

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

A227638 as a simple table

na(n)
13
211
339
4127
5377
61014
72518
85844
912790
1026582
1152769
12100547
13184661
14328068
15565582
16948764
171552366
182482688
193888261
205973327
219014649
2213382250
2319564750
2428200044
2540112142
2656355074
2778264849
28107520547
29146215717
30196941352

[3,11,39,127,377,1014,2518,5844,12790,26582,52769,
 100547,184661,328068,565582,948764,1552366,
 2482688,3888261,5973327,9014649,13382250,19564750,
 28200044,40112142,56355074,78264849,107520547,
 146215717,196941352]