login

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

A199842 as a simple table

na(n)
11
24
313
442
5132
6428
71393
84561
915032
1049889
11166542
12558744
131883028
146370957
1521628455
1673641852
17251385571
18860067894
192948380732
2010124956970
2134823894885
22119940097035
23413612099138
241427945022753
254934850614704

[1,4,13,42,132,428,1393,4561,15032,49889,166542,
 558744,1883028,6370957,21628455,73641852,
 251385571,860067894,2948380732,10124956970,
 34823894885,119940097035,413612099138,
 1427945022753,4934850614704]