login

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

A268409 as a simple table

na(n)
03
15
226
3114
4508
52260
610056
744744
8199088
9885840
103941536
1117537824
1278034368
13347213120
141544921216
156874111104
1630586286848
17136093369600
18605546052096
192694370947584
2011988575894528
2153343045473280
22237349333682176
231056083425675264

[3,5,26,114,508,2260,10056,44744,199088,885840,
 3941536,17537824,78034368,347213120,1544921216,
 6874111104,30586286848,136093369600,605546052096,
 2694370947584,11988575894528,53343045473280,
 237349333682176,1056083425675264]