login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A121408 as a simple table

na(n)
11
20
31
41
50
61
70
84
90
101
119
120
1310
140
151
160
1764
180
1920
200
211
22225
230
24259
250
2635
270
281
290
302304
310
32784
330
3456
350
361
3711025
380
3912916
400
411974
420
4384
440
451
460
47147456
480
4952480
500
514368
520
53120
540
551
56893025
570
581057221
590
60172810
610
628778
630
64165
650
661
670
6814745600
690

[1,0,1,1,0,1,0,4,0,1,9,0,10,0,1,0,64,0,20,0,1,225,
 0,259,0,35,0,1,0,2304,0,784,0,56,0,1,11025,0,
 12916,0,1974,0,84,0,1,0,147456,0,52480,0,4368,0,
 120,0,1,893025,0,1057221,0,172810,0,8778,0,165,0,
 1,0,14745600,0]