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”).

A271289 as a simple table

na(n)
01
15
25
340
49
5100
625
7196
829
9320
1041
11476
1253
13640
14113
15844
16117
171096
18129
191380
20141
211672
22193
232004
24197
252368
26217
272764
28261
293112
30425
313540
32421
334048
34393
354652
36333
375248
38337
395856
40417
416408
42441
437040
44493
457644
46645
478364
48621
499080
50653

[1,5,5,40,9,100,25,196,29,320,41,476,53,640,113,
 844,117,1096,129,1380,141,1672,193,2004,197,2368,
 217,2764,261,3112,425,3540,421,4048,393,4652,333,
 5248,337,5856,417,6408,441,7040,493,7644,645,8364,
 621,9080,653]