login

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

A051549 as a simple table

na(n)
01
11
23
312
484
584
684
7168
8840
910920
1032760
1132760
1232760
1332760
1432760
1532760
161015560
171015560
181015560
191015560
201015560
214062240
224062240
234062240
244062240
254062240
264062240
274062240
284062240
294062240
304062240
314062240
324062240
334062240
3412186720

[1,1,3,12,84,84,84,168,840,10920,32760,32760,
 32760,32760,32760,32760,1015560,1015560,1015560,
 1015560,1015560,4062240,4062240,4062240,4062240,
 4062240,4062240,4062240,4062240,4062240,4062240,
 4062240,4062240,4062240,12186720]